United States observances

404 Day

4 April in the documented campaign · U.S. digital-rights and library/school internet-filtering awareness campaign; treated as a legacy campaign unless a current organizer edition is confirmed

National Coalition Against Censorship documented 404 Day as an April 4 day of action developed with the Electronic Frontier Foundation against overbroad internet censorship and filtering in…

AANHPI Women’s Equal Pay Day

9 April 2026 in Equal Pay Today’s current campaign calendar · United States / Equal Pay Today wage-equity campaign

Equal Pay Today’s official 2026 calendar uses AANHPI Women’s Equal Pay Day and lists 9 April 2026; the public AAPI wording is retained as a search alias rather than treated as the current o…

Absolutely Incredible Kid Day®

Third Thursday in March; 19 March 2026 · United States / Camp Fire youth-encouragement observance

Camp Fire says it founded Absolutely Incredible Kid Day® in 1997 and that the annual observance is celebrated on the third Thursday in March, falling on 19 March in 2026.

Accelerate ACL Awareness Among Young Women Day

5 April · United States / informal ACL-injury awareness observance

National Today and Holidays & Observances independently place Accelerate ACL Awareness Among Young Women Day on April 5.

Air Conditioning Appreciation Day

3 July (opening day of July 3–August 15 appreciation period) · United States / informal air-conditioning appreciation observance

AirConditioningDays.com documents an annual July 3–August 15 appreciation period, while Awareness Days identifies July 3 as the single Air Conditioning Appreciation Day/opening date.

Air Force Day, 1947

1 August 1947 · United States / presidential historical proclamation

The Harry S. Truman Presidential Library reproduces Proclamation 2737 proclaiming August 1, 1947 as Air Force Day.

Amateur Radio Military Appreciation Day

Saturday immediately before U.S. Memorial Day (23 May in 2026) · United States / ARMAD founder-led amateur-radio military appreciation event

ARMAD was founded by Emery McClendon in 2003. Contemporary ARMAD references place the annual event on the Saturday of U.S. Memorial Day weekend.

Amelia Earhart birthday anniversary

24 July 1897 · United States / aviation-history commemoration alias

The Smithsonian records Amelia Earhart’s birth in Atchison, Kansas, on July 24, 1897. The SEO title is therefore bounded to her birthday anniversary unless a separate authority establishes…

American Business Women’s Day

22 September in repeated U.S. federal recognitions; not a permanent statutory holiday · United States / federal recognition history

Congress designated 22 September 1983 as American Business Women’s Day and a presidential proclamation followed; later federal statements also recognized 22 September, including in 2017.

American Circus Day

3 April · United States / informal circus-history observance

National Today lists American Circus Day every April 3, while Smithsonian independently documents that the first American circus debuted in Philadelphia on April 3, 1793.

American Family Day

first Sunday in August annually · Arizona, United States / state statutory holiday

Arizona Revised Statutes §1-301 enumerates the first Sunday in August as American Family Day among Arizona holidays.

American Frog Day

Organizer-scheduled; city and date vary by edition · United States / traveling dart-frog and amphibian enthusiast event

American Frog Day’s own history states that the event began in San Jose in 1995, ran there for ten years, and then became a traveling event hosted in different cities.

American Red Cross Giving Day

25 March 2026 · United States / American Red Cross annual fundraising campaign

The American Red Cross identifies Wednesday, March 25, 2026 as its twelfth annual Giving Day during Red Cross Month.

Anniversary of the Ratification of the 1783 Treaty of Paris

14 January for the anniversary of the 1784 U.S. ratification · U.S. historical commemoration of Treaty of Paris ratification

The White House issued a 14 January 2026 presidential message on the anniversary of ratification of the 1783 Treaty of Paris, and Maryland State Archives records the treaty’s ratification i…

Answer the Telephone Like Buddy the Elf Day

18 December · United States / informal pop-culture observance inspired by the film Elf

National Day Calendar places the observance on December 18, and National Today independently specifies every December 18.

Answer Your Cat’s Question Day

22 January · United States / creator-defined informal Wellcat animal-themed observance

The first-party Wellcat Holidays calendar lists Answer Your Cat’s Question Day on January 22 and identifies the collection as created by Thomas and Ruth Roy.

APOL1-Mediated Kidney Disease (AMKD) Awareness Day

Last Tuesday of April (28 April in 2026) · United States / American Kidney Fund-led kidney-disease awareness campaign

The American Kidney Fund provides an AMKD Awareness Day proclamation template that places the observance on the last Tuesday of each April, and its 2026 campaign materials mark 28 April 202…

Appomattox surrender anniversary / Surrender and Freedom Day commemoration

9 April anniversary; NPS 2026 programs ran 8–12 April with 9 April marking the 161st anniversary · U.S. Civil War historical commemoration centered on Appomattox Court House National Historical Park

The National Park Service documents the 9 April 1865 surrender and runs an annual Surrender and Freedom Day anniversary program. “Appomattox Day” is treated as an inventory shorthand, not a…

Arizona Statehood Day

14 February; Arizona admitted as a state in 1912 · Arizona, United States / statehood anniversary

The Arizona Memory Project of the State of Arizona Research Library identifies 14 February as Arizona Statehood Day and records that President Taft signed the statehood bill on 14 February…

Armed Forces Day

16 May 2026 edition verified · United States / armed-forces recognition observance

The White House issued a Presidential Message on Armed Forces Day dated May 16, 2026, recognizing members of the Army, Navy, Air Force, Marine Corps, Coast Guard and Space Force.

ARPANET first-message anniversary

29 October 1969 · United States / DARPA internet-history context

DARPA says the first computer-to-computer signal on ARPANET was sent between UCLA and Stanford Research Institute on October 29, 1969. The SEO title is treated as a historical-anniversary a…

ASPCA Help a Horse Day

26 April · United States / ASPCA equine-welfare campaign

ASPCA materials identify April 26 as its annual Help a Horse Day, used to support equine rescues and adoption awareness.

Auntie's Day

Fourth Sunday in July · United States-origin / family and aunthood appreciation observance

Founder Melanie Notkin states that she established Auntie's Day in 2009; a founder-issued release explicitly says it is observed every fourth Sunday in July.

Bad Poetry Day

18 August · United States / creator-defined informal Wellcat arts observance

The first-party Wellcat Holidays calendar lists Bad Poetry Day on August 18 and identifies the collection as created by Thomas and Ruth Roy.

Bathtub Party Day

5 December · United States / creator-defined informal Wellcat observance

Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Bathtub Party Day on December 5 and identifies Wellcat Holidays as their created, copyrighted holiday collection.

Be a Dork Day

15 July · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Be a Dork Day on July 15 and explicitly frames it as a Wellcat.com observance.

Beer Can Appreciation Day

24 January · United States / beer-packaging historical appreciation observance

The Beer Institute explicitly marks Beer Can Appreciation Day on January 24 and ties it to the first public sale of canned beer on January 24, 1935; National Today independently lists the o…

Benjamin Harrison birth anniversary

20 August 1833 (birth-anniversary anchor) · United States / Benjamin Harrison historical remembrance

The White House Historical Association and National Park Service record Benjamin Harrison’s birth on 20 August 1833. These sources support a birth-anniversary anchor, not a nationally desig…

Bennington Battle Day

16 August annually · Vermont, United States / state legal holiday and Revolutionary War commemoration

Vermont statute 1 V.S.A. §371 lists Bennington Battle Day on 16 August as a legal holiday, and the Vermont historic-preservation agency documented the 2026 commemoration.

Bifocals At The Monitor Liberation Day

1 December · United States / creator-defined informal Wellcat observance

Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Bifocals At The Monitor Liberation Day on December 1 and identifies Wellcat Holidays as their created, copyrighted holiday…

Bike & Roll to School Day

6 May 2026 · United States / National Center for Safe Routes to School campaign

The official Walk, Bike & Roll to School site lists Bike & Roll to School Day on 6 May 2026 and publishes separate future dates for later editions.

Bike to Work Day

Third Friday in May; 15 May 2026 · United States / League of American Bicyclists National Bike Month

The League of American Bicyclists lists Bike to Work Day on May 15, 2026 and explicitly gives the future-date rule as the third Friday in May.

Birth Mother’s Day

Saturday before Mother’s Day in the United States (9 May in 2026) · United States / adoption-community observance

A New York State Senate resolution describes Birth Mother’s Day as observed on the Saturday before Mother’s Day and traces its creation to Seattle in 1990.

Birthday of Martin Luther King, Jr.

Third Monday in January · United States / federal legal public holiday

5 U.S.C. §6103 lists the Birthday of Martin Luther King, Jr. on the third Monday in January as a legal public holiday.

Black Cat Appreciation Day

17 August · United States / animal-welfare and adoption-awareness observance

UPI reports that Wayne H. Morris started Black Cat Appreciation Day in 2011 and gives the date as August 17; ASPCA independently recognizes August 17 as the observance date.

Black Love Day

13 February each year · United States / African American Holiday Association founder-led observance

The Black Love Day founder site identifies 13 February as Black Love Day and says Ayo Handy-Kendi founded the observance in 1993.

Black Press Day

16 March annually; Black Press Week ran 16–20 March 2026 and Howard’s 2026 convening was 18 March · U.S. Black press history and journalism commemoration

NNPA Fund material places Black Press Week 2026 on 16–20 March around the anniversary of Freedom’s Journal, first published 16 March 1827; Howard University hosted Black Press Day 2026 on 1…

Black Women’s Equal Pay Day

21 July 2026 in Equal Pay Today’s current campaign calendar · United States / Equal Pay Today wage-equity campaign

Equal Pay Today’s official 2026 calendar lists Black Women’s Equal Pay Day on 21 July 2026; the word “National” in the public search title is not part of the organizer’s current displayed n…

BOTOX® Cosmetic (onabotulinumtoxinA) Day

Third Wednesday of November · United States / Allergan Aesthetics brand observance

AbbVie states that BOTOX® Cosmetic Day is held annually on the third Wednesday of November and identifies it as an Allergan Aesthetics/AbbVie brand observance.

Boys’ and Girls’ Club Day for Kids

Third Saturday of September (19 September in 2026) · United States / youth-community observance associated with Boys & Girls Clubs

Current observance calendars consistently place Boys’ and Girls’ Club Day for Kids on the third Saturday of September.

Breast Reconstruction Awareness Day USA (BRA Day)

Third Wednesday of October in ASPS annual practice; current edition date must be rechecked · United States / breast reconstruction awareness led by ASPS and The Plastic Surgery Foundation

ASPS documents the annual Breast Reconstruction Awareness Day USA (BRA Day) campaign and its educational focus on reconstruction choices after mastectomy or lumpectomy.

Bring Your Bible to School Day

1 October 2026; first Thursday in October · United States / Focus on the Family student campaign

Focus on the Family’s current campaign page gives 1 October 2026, and its student materials describe the event as the first Thursday in October.

Broadcast Traffic Professionals Day

2 November; if it falls on a weekend, the following Monday · United States / broadcast-industry professional recognition tied to the 2 November 1920 KDKA commercial-broadcast milestone

Broadcast software company WideOrbit documents the observance’s link to the 2 November 1920 broadcast milestone and its purpose of recognizing broadcast traffic professionals; recurrence do…

Buffalo Soldiers Day, 1992

28 July 1992 — one-time federal designation · United States / commemoration of Buffalo Soldiers

President George H. W. Bush proclaimed July 28, 1992 as Buffalo Soldiers Day after Congress designated that date for the commemoration.

Building and Code Staff Appreciation Day

1 September · United States / professional appreciation observance with local-government proclamation evidence

The City of Lodi states in its 2026 proclamation background that Building and Code Staff Appreciation Day is observed annually on September 1; EventGuide independently lists September 1 eac…

Button Battery Awareness Day

12 June · United States / child-safety advocacy campaign associated with Reese’s Purpose

Reese’s Purpose maintains a dedicated Button Battery Awareness Day page identifying June 12 as the awareness date.

Cable Car Day

17 January · United States / cable-car history observance tied to Andrew Smith Hallidie’s 1871 patent

NFTA’s public-transport history feature identifies 17 January as National Cable Car Day and ties it to Andrew Smith Hallidie’s 1871 cable-car patent.

California Native American Day

Fourth Friday in September · California, United States / state observance and school-calendar framework

California Department of Education material identifies Native American Day on the fourth Friday in September, while Bureau of Indian Affairs history describes California’s state recognition…

California Poppy Day

6 April annually · California, United States / state-designated educational observance

California Department of Education cites Education Code section 37222.12, which designates April 6 of each year as California Poppy Day.

Carl Garner Federal Lands Cleanup Day

First Saturday after Labor Day · United States / federal statutory observance

36 U.S.C. §104 designates the first Saturday after Labor Day as Carl Garner Federal Lands Cleanup Day and allows federal-land managers to use an alternative date when local conditions warra…

Cat Herders' Day

15 December · United States / creator-defined informal Wellcat observance

Thomas and Ruth Roy’s Wellcat calendar lists Cat Herders' Day on December 15.

Celebrate Teen Literature Day

Historically the Thursday of National Library Week · United States / legacy YALSA–ALA teen-literature observance

ALA records that YALSA first celebrated the event in 2007 as Support Teen Literature Day, renamed it Celebrate Teen Literature Day beginning in 2013, and observed it on the Thursday of Nati…

Childhood Depression Awareness Day

Tuesday of the first full week in May · United States / informal childhood mental-health awareness observance

National Today’s year-by-year dates and List of National Days both place Childhood Depression Awareness Day on the Tuesday of the first full week in May.

Children of Fallen Patriots Day

13 May · United States / state and local commemorative recognition

Michigan's governor proclaimed May 13, 2019 as Children of Fallen Patriots Day, and current state/local government calendars continue to recognize May 13.

Coast Guard Birthday

4 August annually · United States / U.S. Coast Guard institutional anniversary

The U.S. Coast Guard marks its birthday on 4 August.

Coast Guard Reserve Birthday

19 February annually · United States / U.S. Coast Guard Reserve institutional anniversary

The U.S. Coast Guard Reserve’s official history identifies 19 February as the Reserve’s birthday.

Collector Car Appreciation Day

10 July 2026 · United States / SEMA automotive-heritage campaign

SEMA’s 2026 first-party announcement identifies Friday, 10 July 2026 as Collector Car Appreciation Day.

College Student Grief Awareness Day

Third Thursday in April; 16 April in 2026 · United States / college-student grief awareness associated with Actively Moving Forward

Multiple observance references place College Student Grief Awareness Day on the third Thursday in April and attribute it to Actively Moving Forward; HealGrief hosts the current AMF college-…

Community Garden Week

6–12 April in 2026 · United States/United Kingdom calendar usage / community-gardening awareness week

Wisconsin DATCP identifies Community Garden Week as April 6–12 in 2026, while published 2025 calendars use April 1–7; the evidence therefore supports a current-edition week but not a safe f…

Confederate Heroes Day

19 January annually in Texas · Texas, United States / official state partial-staffing holiday

The Texas State Library lists Confederate Heroes Day on 19 January as an official partial-staffing state holiday and documents its 1973 statutory consolidation; the current FY2027 state sch…

Conservatorship & Guardianship Abuse Awareness Day

1 February · United States / guardianship-reform awareness context

The American Bar Association Commission on Law and Aging identifies February 1 as Conservatorship & Guardianship Abuse Awareness Day.

Constitution Day and Citizenship Day

17 September · United States

The U.S. Courts’ official educational observance page identifies Constitution Day and Citizenship Day around 17 September, the anniversary of the Constitution’s signing.

Cook Something Bold and Pungent Day

8 November · United States / creator-defined informal Wellcat food observance

The first-party Wellcat Holidays calendar lists Cook Something Bold and Pungent Day on November 8 and identifies the collection as created by Thomas and Ruth Roy.

Cranky Co-Workers Day

27 October · United States / creator-defined informal Wellcat workplace observance

The first-party Wellcat Holidays calendar lists Cranky Co-Workers Day on October 27 and identifies the collection as created by Thomas and Ruth Roy.

Curling is Cool Day

23 February · United States / creator-defined informal Wellcat observance

Thomas and Ruth Roy’s Wellcat calendar lists Curling is Cool Day on February 23.

Cyber Monday

Monday after U.S. Thanksgiving · United States-origin / ecommerce shopping event

Shopify identifies Cyber Monday as the Monday after Thanksgiving and traces the term to Shop.org in 2005; Georgetown documents Ellen Davis and the Shop.org team naming the post-Thanksgiving…

DEA National Prescription Drug Take Back Day

25 April 2026 spring edition verified; DEA hosts the event twice yearly · United States / Drug Enforcement Administration public-safety campaign

DEA scheduled the 30th National Prescription Drug Take Back Day for Saturday, April 25, 2026 and explicitly describes Take Back Day as a twice-yearly event.

Decoration Day, historical predecessor of Memorial Day

Historically 30 May beginning with the 1868 national observance; modern U.S. Memorial Day is the last Monday in May · U.S. historical remembrance tradition for war dead

The National Park Service documents the first official national Decoration Day on 30 May 1868 and its evolution into Memorial Day.

Digital Nomad Day

8 August · United States-origin / digital-nomad community observance

Rootless Living states that it created Digital Nomad Day and held the second annual observance on August 8, 2021; National Today independently lists August 8 annually.

Dog House Repair Month

July · United States / informal pet-care month observance

National Today defines Dog House Repair Month as every July, while Checkiday independently records National Doghouse Repairs Month throughout July and attributes the observance to Heidi Ric…

Donate a Book Day (2011 Book-of-the-Month Club / ALA partnership)

14 April 2011 launch · United States / 2011 Book-of-the-Month Club and American Library Association National Library Week partnership

ALA announced the first-ever National Donate a Book Day for 14 April 2011 in partnership with Book-of-the-Month Club. The source establishes that launch edition, not an evergreen annual rec…

Don’t Fry Day

Friday before U.S. Memorial Day; 22 May in 2026 · U.S. sun-safety awareness campaign

The U.S. Environmental Protection Agency says Don’t Fry Day is observed on the Friday before Memorial Day as a sun-safety awareness campaign.

Drowsy Driver Awareness Day

6 April · California, United States / state legislative memorial observance

California Senate Concurrent Resolution 27 proclaimed April 6, 2005 as Drowsy Driver Awareness Day and designated April 6 of every following year as the state’s memorial observance.

Eat What You Want Day

11 May · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Eat What You Want Day on May 11 and identifies the Wellcat holiday collection as created by Thomas and Ruth Roy.

Education and Sharing Day, U.S.A.

29 March 2026 (current proclamation edition) · United States / presidential and state proclamation tradition

The White House issued an Education and Sharing Day, U.S.A. 2026 message, while Alaska’s 2026 proclamation explicitly designates 29 March 2026.

Education Support Professionals Day

18 November 2026; Wednesday of American Education Week · United States / National Education Association professional recognition observance

The National Education Association lists November 18, 2026 as Education Support Professionals Day and states it is observed on the Wednesday of American Education Week.

Education Support Professionals Day (National ESP Day)

Wednesday of American Education Week; 18 November 2026 · United States / NEA education-support recognition

NEA’s American Education Week calendar places Education Support Professionals Day on Wednesday of the week and gives the 2026 date as 18 November.

Eighteenth Amendment ratification anniversary

16 January · United States / historical anniversary of Eighteenth Amendment ratification

The U.S. National Archives records that the Eighteenth Amendment was ratified on 16 January 1919; Prohibition took effect one year later.

EITC Awareness Day

23 January 2026; annual IRS campaign held in January · United States / IRS outreach campaign

The IRS launched its 2026 EITC Awareness Day campaign on 23 January 2026 and describes EITC Awareness Day as an annual January outreach effort.

Employee Appreciation Day

First Friday in March · United States / workplace recognition convention

The City of Flagstaff's employee-recognition resources describe Employee Appreciation Day as observed on the first Friday in March and note its 1995 creation by Dr. Bob Nelson.

EMS for Children Day / EMSC Day

Wednesday of National EMS Week; 2026 current campaign · United States / federal EMSC Program

The EMSC Innovation and Improvement Center, part of the federal EMSC Program, states that Wednesday of National EMS Week is set aside for EMS for Children Day and that it is an annual oppor…

Equal Pay Day

26 March 2026 · United States / Equal Pay Today wage-equity campaign

Equal Pay Today, a project of Equal Rights Advocates, lists Equal Pay Day as March 26, 2026.

Falling Needles Family Fest

30 December · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Falling Needles Family Fest on December 30 and identifies Thomas and Ruth Roy as the creators of the copyrighted holiday collection.

Family Day — A Day to Eat Dinner With Your Children

Fourth Monday in September · United States / family-dinner campaign associated with CASA research and participating family-prevention organizations

University of Hawaiʻi material describes Family Day as an annual event launched in 2001, developed from research by the National Center on Addiction and Substance Abuse at Columbia Universi…

Family Health & Fitness Day

Second Saturday in June annually; 13 June 2026 · United States / National Recreation and Park Association campaign

The National Recreation and Park Association states Family Health & Fitness Day is celebrated on the second Saturday in June each year.

Farmworker Appreciation Day

6 August · United States / workforce-appreciation observance recognized by CDC/NIOSH

The CDC/NIOSH Science Bulletin states that August 6 is Farmworker Appreciation Day and uses the observance to recognize farmworkers and discuss occupational safety and health.

Father’s Day — United States statutory observance

Third Sunday in June · United States / federal statutory observance

36 U.S.C. §109 designates the third Sunday in June as Father’s Day and requests an annual presidential proclamation.

Filipino American History Month

October · United States

U.S. House member documentation describes annual congressional resolutions recognizing October as Filipino American History Month

First free balloon flight from American soil anniversary

9 January · United States / historical anniversary of Jean-Pierre Blanchard’s 1793 ascent

The Smithsonian National Air and Space Museum dates Jean-Pierre Blanchard’s first free flight from American soil to 9 January 1793.

Fish Tank Floorshow Night

28 September · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Fish Tank Floorshow Night on September 28 and identifies Thomas and Ruth Roy as the holiday creators.

Flag Day

14 June · United States / statutory patriotic observance

36 U.S.C. §110 states that June 14 is Flag Day and requests an annual presidential proclamation encouraging observance of the anniversary of the Continental Congress’s adoption of the Stars…

Flight Attendant Safety Professionals’ Day

19 July 1990 (one-time U.S. federal designation) · United States / 1990 congressional joint resolution

Public Law 101-329 designated 19 July 1990 as Flight Attendant Safety Professionals’ Day and authorized a presidential proclamation for that date.

Floral Design Day

28 February · United States / floral-design arts observance originating in Massachusetts

Smithsonian Libraries documents Floral Design Day on February 28, created around floral educator Carl Rittner’s birthday and enacted by a 1995 Massachusetts gubernatorial proclamation.

Food Day

24 October · United States / food-system campaign relaunched by the Center for Science in the Public Interest (CSPI)

CSPI’s 2011 annual report documents the relaunch of national Food Day and its October 24 date, modeled as a public education and food-system campaign.

Forgive Mom and Dad Day

18 March · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Forgive Mom and Dad Day on March 18 and identifies Thomas and Ruth Roy as creators of its holiday collection.

Frederick Douglass Birthday Celebration

14 February as the longstanding traditional birthday commemoration · U.S. historical and Black-history commemoration

The National Park Service states that 14 February, the birthday date Frederick Douglass chose to celebrate, has long been a day of celebration in Black communities; NPS programming continue…

Free Feral Cat Spay Day

27 April 2010 (initial one-day launch; later campaign format changed) · United States-origin / Alley Cat Rescue historical animal-welfare campaign

Alley Cat Rescue announced Free Feral Cat Spay Day for April 27, 2010. Its current Feral Fix history says the campaign launched in 2010 and expanded from one day to a full month in 2017, so…

Freedom to Marry Day

12 February (historical campaign observance; later expanded into Freedom to Marry Week) · United States / historical marriage-equality organizing observance

Freedom to Marry’s archive says its annual Freedom to Marry Week grew from the original Freedom to Marry Day on February 12; Lambda Legal also documents the original Day and later Week. The…

Frozen Food Day, 1984

6 March 1984 federal designation; modern March 6 usage is a legacy convention · United States / 1984 congressional-presidential designation

Congress designated March 6, 1984 as Frozen Food Day and President Ronald Reagan issued Proclamation 5157 for that specific date. The U.S. Census Bureau has subsequently referenced Frozen F…

Galentine's Day

13 February · United States / pop-culture-derived friendship observance

National Today places Galentine's Day on February 13 annually, while WIRED documents the Parks and Recreation origin and the February 13 date.

General Pulaski Memorial Day

11 October; 2025 presidential proclamation verified · United States / presidential commemorative observance

The White House proclaimed October 11, 2025 as General Pulaski Memorial Day and encouraged Americans to commemorate those who contributed to the nation.

Georgia Day

12 February; Georgia Day 2026 was 12 February · U.S. state-history commemoration centered on Georgia’s colonial founding

The Georgia Historical Society marks Georgia Day on 12 February in recognition of the founding of the Georgia colony at Savannah on 12 February 1733.

German-American Day

6 October · United States / German-American heritage recognition

The White House issued a German-American Day message on October 6 recognizing German-American contributions and the historical relationship between the United States and Germany

Get a Different Name Day

13 February · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Get a Different Name Day on February 13 and identifies the Wellcat holiday collection as created by Thomas and Ruth Roy.

Get Smart About Credit Day

Third Thursday of October (15 October in 2026) · United States / American Bankers Association Foundation financial-education campaign

The American Bankers Association states that Get Smart About Credit Day is observed on the third Thursday in October; its current materials identify 15 October 2026.

Gold Star Mother's and Family's Day

Last Sunday in September framework; 2025 presidential proclamation verified · United States / Gold Star family remembrance

The 2025 presidential proclamation uses Gold Star Mother's and Family's Day; 36 U.S.C. §111 separately designates the last Sunday in September as Gold Star Mother's Day.

Great American Spit Out

Edition date varies; Defense Health material documents 22 February 2024 and current military-health resources preserve the campaign · U.S. military tobacco-free awareness/cessation campaign focused on smokeless tobacco

Defense Health Agency and Navy health-promotion resources document the Great American Spit Out as a tobacco-free campaign; current-year dates should be rechecked before publication.

Great Lakes Awareness Day

First Monday in May · United States / informal Great Lakes environmental-awareness observance

National Today uses the first Monday in May, while Checkiday’s target-year listing corroborates the equivalent first-full-week Monday recurrence.

Groundhog Day

2 February each year · United States / North American cultural weather tradition

The U.S. National Weather Service documents the 2 February Groundhog Day tradition and its weather-folklore background

Gruntled Workers Day

13 July · United States / creator-defined informal Wellcat workplace observance

The first-party Wellcat Holidays calendar lists Gruntled Workers Day on July 13 and identifies the collection as created by Thomas and Ruth Roy.

Happy Mew Year For Cats Day

2 January · United States / creator-defined informal Wellcat observance

Wellcat Holidays places Happy Mew Year For Cats Day on January 2 and identifies the collection as created by Thomas and Ruth Roy.

Harbormaster Appreciation Day

8 October · United States / US Harbors-created harbor and port master appreciation observance

The official Harbormaster Appreciation Day site states that US Harbors started the observance in 2019 and that it occurs annually on October 8.

Harvey Milk Day

22 May each year · California, United States / day of special significance in education law

California Department of Education cites Education Code section 37222.13 designating May 22 of each year as Harvey Milk Day and encouraging educational remembrance

Healthy Kids Day®

18 April 2026 · United States / YMCA national family-wellbeing initiative

YMCA of the USA lists Healthy Kids Day 2026 on April 18 and identifies it as the Y’s national initiative for kids and families.

Herbert Hoover Day

Sunday on or nearest 10 August · Iowa state commemorative day, United States

Iowa Code §1C.8

Herpes Awareness Day

13 October · United States / herpes-awareness observance

National Today places Herpes Awareness Day on October 13 annually, and AnydayGuide independently lists National Herpes Awareness Day on October 13.

HIV Vaccine Awareness Day

18 May annually · United States / NIH HIV research awareness

NIH states that HIV Vaccine Awareness Day is held annually on May 18 and recognizes volunteers, community members, health professionals and scientists working on preventive HIV-vaccine rese…

HIV Vaccine Awareness Day (HVAD)

18 May annually · United States / NIH HIV awareness observance

NIH HIVinfo states that HIV Vaccine Awareness Day is observed each year on May 18. The page title “World AIDS Vaccine Day” is treated as a search/legacy alias, not the authority’s official…

Homeless Persons’ Memorial Day

On or around 21 December / the winter solstice · United States / organizer-led remembrance for people who died while experiencing homelessness

The National Health Care for the Homeless Council and partner organizations promote Homeless Persons’ Memorial Day on or around December 21, the winter solstice, to remember people who died…

Hostess CupCake Day

11 May · United States / informal branded-food observance

National Today and Days Of The Year independently list Hostess CupCake Day on May 11 every year.

Hug an Australian Day

26 April · United States-origin / creator-defined informal Wellcat observance themed around Australians

The first-party Wellcat Holidays calendar lists Hug an Australian Day on April 26 and identifies the collection as created by Thomas and Ruth Roy.

Humane Society of the United States founding anniversary

Historical founding date: 22 November 1954 · United States / organizational-history anniversary of the Humane Society of the United States, now Humane World for Animals

The organization’s incorporation record states that the Humane Society of the United States was originally incorporated on November 22, 1954; its own anniversary history also identifies Nov…

Iditarod Trail Sled Dog Race

Ceremonial start 7 March 2026; official restart 8 March 2026 · Alaska, United States / annual sled-dog race

The Iditarod Trail Committee’s 2026 race rules set the official starting date for March 7, 2026 in Anchorage and the restart for March 8, 2026 in Willow; its official results document the 2…

Inauguration Day

20 January every fourth year following a presidential election for the federal holiday rule; next such holiday after 2025 is 20 January 2029 · U.S. presidential inauguration and limited Washington-area federal holiday rule

The U.S. Office of Personnel Management explains that Inauguration Day is a legal holiday for qualifying federal employees in the Washington, DC area on 20 January every fourth year after 1…

Independence Day (Fourth of July)

4 July; federal observed workday can shift when the date falls on a weekend · United States federal holiday

U.S. Office of Personnel Management / 5 U.S.C. 6103

Independent Bookstore Day

25 April 2026; last Saturday in April · United States / American Booksellers Association event

The American Booksellers Association identifies 25 April 2026 as Independent Bookstore Day and describes the event as a national one-day celebration held on the last Saturday in April.

Indian Citizenship Act anniversary

2 June anniversary of the 1924 Act · United States / historical legislative anniversary

The U.S. National Archives preserves the Indian Citizenship Act, approved 2 June 1924, which declared U.S.-born non-citizen Indians to be U.S. citizens while preserving tribal/property righ…

Indianapolis 500

24 May 2026 · Indianapolis, Indiana, United States

INDYCAR’s official schedule documents the 110th Indianapolis 500 and its 2026 race date

Indigenous Peoples' Day

Recent U.S. federal proclamations use the second Monday in October; verify target-year proclamation · United States / presidential proclamation practice plus state/local observance

GovInfo documents presidential Indigenous Peoples' Day proclamations in recent years, while a congressional resolution identifies the second Monday in October as the appropriate/used date.…

Insect Repellent Awareness Day

3 June · United States / public-health awareness; local-government public-health corroboration

Public-health materials from Plaquemines Parish and Cowley County identify June 3 in connection with Insect Repellent Awareness Day across multiple years, supporting a stable awareness date.

Juneteenth National Independence Day

19 June; Friday 19 June in the 2026 U.S. federal holiday schedule · United States federal holiday

The U.S. Office of Personnel Management lists Juneteenth National Independence Day on 19 June in the federal holiday schedule.

K-9 Veterans Day

13 March annually · United States / working and service-dog recognition

The Transportation Security Administration states that K-9 Veterans Day is recognized each year on March 13; U.S. War Dogs provides additional campaign/history context.

Keep Kids Alive Drive 25 Day

1 May · United States / Keep Kids Alive Drive 25 road-safety campaign

Keep Kids Alive Drive 25 identifies May 1 as KKAD25 Day and describes the 2026 observance as its 20th annual nationwide proclamation effort.

Kentucky Statehood Day

1 June; statehood anniversary · Kentucky, United States / statehood anniversary

The Kentucky Historical Society identifies 1 June as Statehood Day in its statehood-anniversary programming.

Key Deer Awareness Day

11 March · United States / creator-led Key deer conservation awareness observance

Holiday creator Madison Metz lists Key Deer Awareness Day among her created observances, while multiple current calendar sources consistently place it on March 11 annually.

Korean American Day

13 January · United States

Current congressional materials support January 13 as Korean American Day and connect it with the first Korean immigrants’ arrival in 1903 and Korean American contributions

Labor Day

First Monday in September · United States federal holiday

U.S. Office of Personnel Management / 5 U.S.C. 6103

League of Women Voters founding anniversary

14 February · United States / League of Women Voters organizational anniversary

The League of Women Voters marks February 14 as its birthday, commemorating its founding in 1920. The SEO title is retained as an alias for that organizational anniversary.

Legal Assistant Day (historical state proclamations)

Fourth Thursday in June (documented Minnesota proclamations, 1986–1991) · United States / historical state-level professional-recognition proclamations

The Minnesota Legislative Reference Library’s proclamation index documents Legal Assistant Day on the fourth Thursday in June in 1986, 1988, 1990 and 1991. The Maine State Archives reposito…

Leif Erikson Day

9 October · United States / federal patriotic observance

36 U.S.C. §114 provides that the President may issue each year a proclamation designating October 9 as Leif Erikson Day.

Letter Carriers’ Stamp Out Hunger® Food Drive

9 May 2026; annual drive held on the second Saturday in May · United States / National Association of Letter Carriers food drive

NALC’s 2026 registration notice gives Saturday 9 May 2026, and its toolkit describes the annual food drive as occurring on the second Saturday in May.

LGBTQ+ Center Awareness Day

19 October · United States / LGBTQ community-center awareness observance associated with CenterLink

Public and community-sector records identify October 19 as LGBT Center Awareness Day and trace the observance to CenterLink and its predecessor network.

Libraries Remember

11 September (documented 2003–2004 program context) · United States / American Library Association legacy September 11 remembrance program

ALA documents Libraries Remember as a nationwide library remembrance initiative around 11 September 2003 and records a second event in 2004. The cited evidence does not establish uninterrup…

Lineman Appreciation Day

18 April (commemorative date rooted in a 2013 U.S. Senate designation) · United States / occupational appreciation; 2013 U.S. Senate designation with later informal recurrence

The Congressional Record supports the Senate designation of April 18, 2013 as National Lineman Appreciation Day. That resolution was edition-specific; later April 18 observance is informal…

Lips Appreciation Day

16 March · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Lips Appreciation Day on March 16.

Love Your Lawyer Day

First Friday in November · United States / lawyer-appreciation observance

The Florida Bar states that Love Your Lawyer Day is celebrated on the first Friday of every November and traces the initiative to ALPIA, with ABA Law Practice recognition.

Love Your Produce Manager® Day

2 April · United States / Frieda’s Specialty Produce creator-backed industry appreciation observance

Frieda’s first-party material places Love Your Produce Manager Day on April 2 and states that the company created the holiday on its 50th anniversary in 2012.

Lupus Alert Day

1 April in documented 1999–2000 campaign evidence · United States / historical Lupus Foundation of America awareness campaign evidence

Contemporary reporting and a California legislative record document Lupus Alert Day on April 1 around 1999–2000. A current recurring Lupus Foundation of America observance was not establish…

Lyndon Baines Johnson Day

27 August annually · Texas, United States / state holiday

Texas Government Code §662.003 lists 27 August, Lyndon Baines Johnson Day, among state holidays.

Make A Difference Day

Fourth Saturday in October · United States / volunteer-service tradition associated with USA WEEKEND and Points of Light

Points of Light documents Make A Difference Day as beginning in 1992 and taking place annually on the fourth Saturday in October.

Make Up Your Own Holiday Day

26 March · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Make Up Your Own Holiday Day on March 26 and identifies the collection as created by Thomas and Ruth Roy.

Manatee Appreciation Day

25 March in 2026 · United States / manatee-conservation awareness; current 2026 organizer/advocacy edition

The Endangered Species Coalition and Save the Manatee Club marked Manatee Appreciation Day on March 25, 2026. Because the supplied authority is edition-specific, future dates should be refr…

Martin Luther King Jr. Day / Idaho Human Rights Day

Third Monday in January; 19 January 2026 · Idaho, United States / state holiday

The Idaho State Treasurer’s 2026 state-holiday calendar lists Martin Luther King Jr. Day / Idaho Human Rights Day on Monday 19 January 2026; Idaho court rules place the observance on the th…

Medical Assistants Recognition Day

Wednesday of Medical Assistants Recognition Week (21 October in 2026) · United States / American Association of Medical Assistants professional recognition

AAMA’s recognition-week materials designate Wednesday as Medical Assistants Recognition Day; AAMA’s 2026 week runs October 19–23, placing the recognition day on October 21, 2026.

Memento Mori

3 January · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar places its Memento Mori observance on January 3 and identifies Wellcat Holidays as created by Thomas and Ruth Roy.

Memorial Day

Last Monday in May · United States

The U.S. National Park Service explains that Congress established Memorial Day as a national holiday observed on the last Monday in May.

Middle Child Day

12 August · United States / informal family observance

Timeanddate lists Middle Child Day, also called National Middle Child Day, annually on August 12 across future years.

Military Spouse Appreciation Day

12 May in 2023 proclamation · United States / presidential military-spouse appreciation observance

Presidential Proclamation 10576 proclaimed May 12, 2023 as Military Spouse Appreciation Day and called on Americans to honor military spouses.

Mother’s Day — United States statutory observance

Second Sunday in May · United States / federal statutory observance

36 U.S.C. §117 designates the second Sunday in May as Mother’s Day and requests an annual presidential proclamation.

Mummers Parade

1 January 2026 · Philadelphia, Pennsylvania, United States

City of Philadelphia event guidance confirms the 2026 Mummers Parade on New Year’s Day

Name Your PC Day

20 November · United States / creator-defined informal Wellcat technology-themed observance

The first-party Wellcat Holidays calendar lists Name Your PC Day on November 20 and identifies the collection as created by Thomas and Ruth Roy.

NASCAR Day

Organizer-scheduled; historical editions include 17 May 2013 and 17 May 2019 · United States / NASCAR Foundation charitable initiative

Official NASCAR coverage documents NASCAR Day as a Foundation charitable initiative, including the 10th annual NASCAR Day on 17 May 2013; later Foundation activity evolved into the NASCAR D…

National 401(k) Day™

Traditionally the Friday after Labor Day week; PSCA recognizes 10 September in 2026 · United States / retirement-plan education

The Plan Sponsor Council of America maintains National 401(k) Day™ and explains its traditional timing after Labor Day

National Activity Professionals Day

Fourth Friday of January (23 January in 2026) · United States / activity-professional recognition with long-running sector history

California Association of Activity Professionals documents the history of National Activity Professionals Day, while current calendar references consistently use the fourth Friday in Januar…

National Adopt a Shelter Pet Day

30 April · United States / animal-adoption awareness usage

ASPCA material identifies April 30 as National Adopt a Shelter Pet Day, and a municipal animal shelter calendar also schedules the 2026 observance on April 30.

National Advent Calendar Day

First Wednesday in November · United States / Aldi retail campaign

Contemporaneous reporting quoting Aldi says the company inaugurated National Advent Calendar Day in 2020 and set it annually on the first Wednesday of November.

National Adverse Drug Event Awareness Day

24 March · United States / American Society of Pharmacovigilance-led medication-safety awareness

Texas A&M and the American Society of Pharmacovigilance identify March 24 as the annual awareness day, established to focus attention on adverse drug events.

National Air Traffic Control Day, 1986

6 July 1986 — one-time federal designation · United States / historical air traffic control recognition

President Ronald Reagan proclaimed July 6, 1986 as National Air Traffic Control Day to mark the fiftieth anniversary of the U.S. airways traffic control system.

National Alabama Day

14 December · United States / National Day Calendar National State Days series — Alabama

National Day Calendar lists National Alabama Day on 14 December. The U.S. Senate records Alabama’s admission/statehood date as 14 December 1819. The dates coincide here, but the National Da…

National Alaska Day

28 June · United States / National Day Calendar National State Days series — Alaska

National Day Calendar lists National Alaska Day on 28 June. The U.S. Senate records Alaska’s admission/statehood date as 3 January 1959. The two dates are deliberately kept separate so the…

National Alcohol Screening Day

Thursday of the first full week of April (9 April in 2026) · United States / alcohol-screening awareness initiative originating with NIAAA and Screening for Mental Health

NIH/NIAAA records the first National Alcohol Screening Day in 1999; state legislative recognition describes the recurring observance as the Thursday of the first full week in April.

National All or Nothing Day

26 July · United States / informal motivational observance

Independent observance calendars identify July 26 as the annual date of National All or Nothing Day.

National American Beer Day

27 October · United States / informal beer observance documented by current observance registries and recurring public usage

National Day Calendar and National Today both place National American Beer Day on October 27 as an annual U.S. observance.

National American Paddlefish Day

9 March each year · United States / paddlefish conservation awareness day established through Shreveport Aquarium certification

Shreveport Aquarium states that it obtained certification in 2019 for National American Paddlefish Day to be observed on March 9 each year.

National American Sign Language Day

15 April 2026 · United States / state-government recognition and community observance

New York State hosted a 15 April 2026 event explicitly honoring National American Sign Language Day.

National American Teddy Bear Day

14 November · United States / informal teddy-bear appreciation observance

National Today gives National American Teddy Bear Day an every-November-14 recurrence, and EventGuide independently lists it every November 14.

National Animal Advocacy Day

30 April · United States / animal-protection advocacy observance

The ASPCA explicitly promotes National Animal Advocacy Day on 30 April, and New York legislative resolutions provide additional civic recognition.

National Animal Crackers Day

18 April · United States / informal food observance

National Day Archives lists the canonical plural National Animal Crackers Day on April 18; the public singular title is retained as an alias.

National Animal Disaster Preparedness Day

8 May; Friday 8 May in the current 2026 organizer material · United States / pet disaster-preparedness awareness

AKC Reunite’s current material identifies Friday, May 8 as National Animal Disaster Preparedness Day and encourages pet owners to include animals in emergency plans.

National Anxiety Disorders Screening Day (historical)

4 May 2005 (historical University of Houston observance) · United States / historical anxiety-screening awareness event

A University of Houston 2005 news release documents National Anxiety Disorders Screening Day on Wednesday, May 4, 2005. The available institutional evidence supports that historical edition…

National Aperitif Day

Third Thursday in May · United States / informal aperitif observance

National Today and Checkiday independently define National Apéritif Day as the third Thursday in May each year.

National Apple Cider Vinegar Day

23 September · United States / Bragg-created brand observance

Bragg states that National Apple Cider Vinegar Day is celebrated on September 23 and identifies the observance as a Bragg-created campaign.

National Apple Pie Day

13 May · United States / informal food observance

Independent observance calendars identify May 13 as National Apple Pie Day.

National Apple Strudel Day

17 June · United States / informal food observance

National Day Calendar and National Today independently place National Apple Strudel Day on June 17 each year.

National Arabian Horse Day

19 February · United States / Arabian Horse Association of Arizona-founded breed-awareness observance

Arabian-horse industry and observance registry sources identify the Arabian Horse Association of Arizona as founder and February 19 as the annual observance date.

National Arizona Day

21 June · United States / National Day Calendar National State Days series — Arizona

National Day Calendar lists National Arizona Day on 21 June. The U.S. Senate records Arizona’s admission/statehood date as 14 February 1912. The two dates are deliberately kept separate so…

National Arkansas Day

11 January · United States / National Day Calendar National State Days series — Arkansas

National Day Calendar lists National Arkansas Day on 11 January. The U.S. Senate records Arkansas’s admission/statehood date as 15 June 1836. The two dates are deliberately kept separate so…

National Artichoke Day

16 March · United States / informal food observance

Days Of The Year and National Today place National Artichoke Day on March 16; other calendars separately use National Artichoke Hearts Day on the same date, so this record does not merge th…

National Asian & Pacific Islander HIV/AIDS Awareness Day

19 May annually · United States / Asian and Pacific Islander HIV awareness

HIV.gov states that National Asian & Pacific Islander HIV/AIDS Awareness Day is observed annually on May 19 and brings attention to HIV in Asian and Pacific Islander communities.

National Astronaut Day

5 May annually in the organizer tradition; recognized in a White House message on 5 May 2026 · U.S. spaceflight appreciation observance tied to Alan Shepard’s 1961 Freedom 7 flight

The White House issued a National Astronaut Day message on 5 May 2026 honoring Alan Shepard’s first American human spaceflight; the observance’s organizer describes May 5 as the annual date.

National Atomic Veterans Day

16 July 2024 proclamation; proclamation-based observance · United States / presidential veterans remembrance proclamation

Proclamation 10784, published by the Office of the Federal Register through GovInfo, proclaimed July 16, 2024 as National Atomic Veterans Day. Federal records also show earlier presidential…

National Aunt and Uncle Day

26 July · United States / informal family-appreciation observance

Independent observance calendars identify July 26 for the aunt-and-uncle family observance; punctuation varies between sources.

National Automatic Door Day

19 March · United States / American Association of Automatic Door Manufacturers (AAADM) industry-awareness day

AAADM announced the first National Automatic Door Day for March 19, 2021 and stated that it would be celebrated each year on that date; AAADM continues annual March 19 campaigns.

National Bacon Burnt End Day

29 June · United States / Heim Barbecue-created informal barbecue observance

Heim Barbecue’s founders tie National Bacon Burnt End Day to June 29, commemorating their June 29, 2013 pop-up; current reporting identifies the first declared observance in 2019.

National Bacon Day

30 December · United States / informal food observance

National Day Calendar identifies Bacon Day on December 30 and attributes its creation to Danya Goodman and Meff Leonard in 1997; National Today independently uses December 30 for National B…

National Bagelfest Day

26 July · United States / Mattoon bagel-festival tradition

National Day Calendar and contemporaneous local-news coverage place National Bagelfest Day on July 26 and attribute the tradition to Murray Lender and the 1986 Mattoon Bagelfest.

National Bakers-Crafters-Makers Day

21 January · United States / Gift Biz Unwrapped and Sue Monhait-created maker appreciation observance

Creator Sue Monhait’s Gift Biz Unwrapped material states that January 21 is National Bakers Crafters Makers Day and that she established the day; current observance calendars retain January…

National Banana Day

Third Wednesday in April · United States / informal food observance

National Day Calendar defines National Banana Day as the third Wednesday in April and shows the rule across multiple editions.

National Banana Split Day

25 August · United States / informal food observance

National Day Calendar identifies August 25 as National Banana Split Day and explicitly leaves the observance founder unidentified.

National Barbecue Day

16 May · United States / informal barbecue-food observance

National Day Calendar states that National Barbecue Day is celebrated each year on May 16, and National Today independently gives National BBQ Day an every-May-16 recurrence.

National Barber Mental Health Awareness Day

19 May · United States / barber-industry mental-health awareness observance

The National Association of Barbers identifies May 19 as Barber Mental Health Awareness Day and publishes industry-focused mental-health awareness guidance for the date.

National Barbershop Music Appreciation Day

13 July · United States / Sweet Adelines International-linked music appreciation observance

National Day Calendar states Sweet Adelines International founded the observance in 2005 for its 60th anniversary, tied to the organization’s July 13, 1945 founding date; a Sweet Adelines r…

National Barrier Awareness Day

7 May 1986 federal designation; recurring federal status not established · United States / historical federal awareness designation

Congress designated May 7, 1986 as National Barrier Awareness Day and President Reagan issued the corresponding proclamation. The cited federal evidence is a 1986 designation, not a permane…

National Bartender Day

First Friday in December · United States / informal hospitality and bartender-appreciation observance

Absolut and TIPS describe National Bartender Day on the first Friday in December; the rule resolves to December 4 in 2026.

National Basketball Day

6 November · United States / informal basketball-appreciation observance

National Today and Days Of The Year independently place National Basketball Day on November 6 each year.

National Bath Bomb Day

25 May · United States / Desert Bath Company-created bath-product observance

National Day Archives records May 25 of each calendar year and identifies Desert Bath Company as the 2021 creator; current calendar coverage preserves the same date.

National Be Late for Something Day

5 September · United States / informal lifestyle observance

National Day Calendar and National Today independently place National Be Late for Something Day on September 5 each year.

National Be Nice Day

5 October · United States / informal kindness observance

National Today gives National Be Nice Day a fixed October 5 recurrence, and Days Of The Year independently lists National Be Nice Day on October 5 across yearly calendars.

National Bean Counter Day

16 April · United States / informal accounting-profession observance

National Day Calendar places National Bean Counter Day on April 16 and credits Kevin Wenig, while National Today independently uses April 16.

National Bed Bug Prevention Day

10 June · United States / Dodson Pest Control-created prevention-awareness observance

National Day Archives records June 10 and Dodson Pest Control as the 2019 founder; current calendar references also keep June 10 annually.

National Beer Day

7 April · United States / brewing-industry observance tied to the Cullen-Harrison Act

The Brewers Association lists National Beer Day on 7 April 2026 and explains that it commemorates the Cullen-Harrison Act taking effect on 7 April 1933.

National Beer Lovers Day

7 September · United States / informal beer observance documented by brewery and current calendar usage

Cape May Brewing Company explicitly celebrated National Beer Lovers Day on September 7, and National Today independently records the observance every September 7.

National Beverage Day

6 May · United States / informal food-and-drink observance

Independent observance calendars identify May 6 as National Beverage Day.

National Biologic Coordinators Day

1 November · United States / recognition campaign for biologic coordinators launched by Janssen

The campaign launch material and day registry identify November 1 as National Biologic Coordinators Day, launched by Janssen in 2021 to recognize biologic coordinators.

National Bird Day

5 January annually · United States-origin / Avian Welfare Coalition captive-bird welfare campaign

The Avian Welfare Coalition states it established National Bird Day on January 5 as a day of action and education concerning captive birds.

National Bison Day

first Saturday in November annually; 7 November 2026 · United States / bison recognition observance

The U.S. National Park Service states National Bison Day has been observed annually on the first Saturday in November since 2012.

National Black Barber Shop Appreciation Day

1 May · United States / creator-registered appreciation observance

National Day Archives records National Black Barber Shop Appreciation Day for May 1 and attributes its 2021 creation to James Jean-Pierre.

National Black Bear Day

First Saturday in June (6 June in 2026) · United States / National Black Bear Festival education initiative

The National Black Bear Festival states that it secured the National Black Bear Day designation and that the day is celebrated on the first Saturday in June each year.

National Black Dog Day

1 October · United States / Colleen Paige animal-welfare observance

Founder Colleen Paige’s current materials list National Black Dog Day on October 1 and describe it as an annual awareness observance.

National Black HIV/AIDS Awareness Day

7 February annually · United States / Black and African American HIV awareness

NIH states that National Black HIV/AIDS Awareness Day is observed annually on February 7 to increase awareness and mobilize community involvement around HIV among Black/African American peo…

National Black Literacy Day

14 February · United States / Semicolon Bookstore-created literacy-awareness observance

National Day Archives states that Semicolon Bookstore created National Black Literacy Day in February 2021 and that it takes place on February 14 each calendar year.

National Black Marketers Day

16 November · United States / Black Marketers Coalition-created professional recognition observance

Black Marketers Coalition announced the creation of National Black Marketers Day and stated that it would be celebrated annually on November 16.

National Black Poetry Day

17 October · United States / cultural-literary commemoration

A New York State Senate resolution states that National Black Poetry Day was established in 1985 and is celebrated annually on October 17, the birthday of Jupiter Hammon.

National Black Women in Jazz and the Arts Day

1 March · United States / arts-recognition observance associated with Black Women in Jazz

Multiple current observance references place the day on March 1 and attribute its establishment to the Black Women in Jazz organization/initiative.

National Bladder Cancer Awareness Day

17 July 2010 · United States / 2010 congressional-resolution proposal

H.Res. 1445 in the 111th Congress was introduced on June 15, 2010 to express support for designation of July 17, 2010 as National Bladder Cancer Awareness Day; GovInfo lists it as Introduce…

National Blueberry Cheesecake Day

26 May · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council repeatedly identifies May 26 as National Blueberry Cheesecake Day in its industry marketing materials.

National Blueberry Day

8 July · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council repeatedly identifies July 8 as National Blueberry Day in industry campaign materials.

National Blueberry Muffin Day

11 July · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council identifies July 11 as National Blueberry Muffin Day in multiple industry materials.

National Blueberry Pancake Day

28 January · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council repeatedly identifies January 28 as National Blueberry Pancake Day and publishes promotional assets for the date.

National Blueberry Pie Day

28 April · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council explicitly states that National Blueberry Pie Day is celebrated on April 28 each year and repeats the date in other campaign materials.

National Boss/Employee Exchange Day

Monday after Labor Day · United States / informal workplace observance

National Day Calendar defines the recurrence as the Monday following Labor Day; contemporaneous news coverage independently uses the same rule.

National Boss’s Day

16 October · United States / workplace appreciation observance

SHRM identifies October 16 as National Boss’s Day and traces Patricia Bays Haroski’s 1958 registration and Illinois recognition in 1962.

National Bowling Day

Go Bowling campaign date is edition-specific; official materials document Saturday 9 August for the 2025 edition · U.S. bowling-industry promotion / Go Bowling campaign

Go Bowling maintains an official National Bowling Day campaign page and says its annual national promotion has been featured since 2018; the visible campaign page documents the 2025 edition…

National Boyfriend Day

3 October · United States / informal relationship observance

National Today gives National Boyfriend Day a fixed October 3 recurrence, while DayAlmanac independently documents October 3 as the consistent annual date and explicitly notes the lack of a…

National Brain Injury Awareness Day

4 March · United States / brain-injury awareness usage

Washington State's Department of Veterans Affairs identifies March 4 as National Brain Injury Awareness Day within Brain Injury Awareness Month.

National Breadstick Day

Last Friday in October · United States / informal culinary observance

Calendar and institutional event material use the last Friday in October for National Breadstick Day.

National Break Up With Your Carrier Day

13 February · United States / T-Mobile-backed carrier-switching observance

T-Mobile’s 2019 newsroom release documents National Day Calendar’s announcement of February 13 as National Break Up With Your Carrier Day and explicitly points to the next February 13 occur…

National Brothers and Sisters Day

2 May · United States / informal sibling-appreciation observance

National Today gives National Brothers and Sisters Day a fixed May 2 recurrence, and Days Of The Year independently lists it among the May 2 observances.

National Brother’s Day

24 May · United States / informal sibling-appreciation observance

National Today and Days Of The Year independently place the Brother’s Day observance on May 24; Days Of The Year explicitly records National Brothers Day and National Brother’s Day as alter…

National Brown Dog Day

2 February · United States / Debra Loveless Williams-created dog appreciation observance

National Day Archives records National Brown Dog Day on February 2 each year and identifies Debra Loveless Williams as the creator in 2021.

National Bubble Tea Day

30 April · United States / Kung Fu Tea-created bubble-tea celebration

Kung Fu Tea states that it founded National Bubble Tea Day on April 30, 2018, its eighth birthday.

National Bugs Bunny Day

30 April · United States / informal animation and pop-culture observance

National Day Calendar and National Today independently place National Bugs Bunny Day on April 30 as an annually recurring informal observance.

National Bulldogs Are Beautiful Day

21 April · United States / informal bulldog-appreciation observance

Truman State University repeatedly identifies April 21 as National Bulldogs Are Beautiful Day, and major pet-industry calendars also place Bulldogs Are Beautiful Day on April 21.

National Bunion Day

Third Tuesday of April (21 April in 2026) · United States / Treace Medical Concepts bunion-awareness campaign

Treace announced the first annual National Bunion Day and states that it is held each year on the third Tuesday of April.

National Caesar Salad Day

4 July · United States / informal food observance

National Day Calendar consistently places National Caesar Salad Day on July 4 and explicitly states that it has not identified the observance founder.

National Cake Decorating Day

10 October · United States / informal baking-and-cake-decorating observance

National Day Calendar and National Today independently place National Cake Decorating Day on October 10 each year.

National California Day

22 February · United States / National Day Calendar National State Days series — California

National Day Calendar lists National California Day on 22 February. The U.S. Senate records California’s admission/statehood date as 9 September 1850. The two dates are deliberately kept se…

National Call a Friend Day

28 December · United States / informal friendship observance

National Today and Days Of The Year independently place National Call a Friend Day on December 28 each year.

National Call Your Doctor Day

Second Tuesday of June (9 June in 2026) · United States / women’s preventive-health reminder created by Bright Pink and registered through National Day Calendar

National Day Calendar’s proclamation record says Bright Pink founded the observance in 2016 and that the recurring date was moved to the second Tuesday in June beginning in 2017.

National Cancer Thriver Day

Second Sunday in June · United States / Connect4Cancer-created cancer-community recognition day

National Day Archives’ creator-submitted record states that Connect4Cancer created National Cancer Thriver Day in June 2021 and set it for the second Sunday in June each year.

National Candy Day

4 November · United States / informal confectionery observance

National Confectioners Association-hosted industry material identifies November 4 as National Candy Day.

National Care for Kids Day®

20 September · United States / Care for Kids and Designetics Cares-created child-support observance

Designetics states it created National Care for Kids Day to be held annually on September 20, and the Care for Kids organization lists the September 20, 2026 edition.

National Caregivers Day

Third Friday in February · United States / caregiver recognition; organizer convention corroborated in California legislative analysis

California Assembly Rules Committee analysis describes National Caregivers Day as founded in 2015 and observed annually on the third Friday in February.

National Cartonnage Day

Third Saturday in September · United States / cartonnage craft community

National Day Archives records Colorway Arts as the creator and states the observance occurs on the third Saturday of September; Colorway Arts documents the original September 18, 2021 event.

National Cartoonists Day

5 May · United States / cartoonist-recognition observance associated with the National Cartoonists Society

Established publication coverage identifies May 5 as National Cartoonists Day and attributes the observance to the National Cartoonists Society, tied to early color newspaper cartoon histor…

National Cat Day

29 October · United States-origin / creator-led animal-welfare observance

Founder Colleen Paige’s current holiday list places National Cat Day on October 29; U.S. public institutions also recognize the date in programming and resolutions.

National Cat DNA Day

19 September · United States / Basepaws-origin feline-genetics awareness day

National Day Archives records September 19 and identifies Basepaws as the 2020 founder; Basepaws continues to reference National Cat DNA Day in its own materials.

National Catfish Day, 1987

25 June 1987 · United States / one-time congressional and presidential designation

The Library of Congress records that President Ronald Reagan issued Proclamation 5672 on June 25, 1987 after Congress designated that date as National Catfish Day.

National Catholic Men’s Conference Day

17 October · United States / Catholic men’s conference network initiative

The initiative’s own site identifies 17 October as National Catholic Men’s Conference Day and describes its effort to connect Catholic men’s conferences across U.S. dioceses. This is organi…

National Celiac Disease Awareness Day

13 September in U.S. recognition history; 2026 nonprofit edition verified · United States / celiac-disease awareness recognition

A U.S. Senate resolution designated 13 September 2010 as National Celiac Disease Awareness Day, and Beyond Celiac continued to mark 13 September as the awareness day in its 2026 materials.

National Challenged Champions and Heroes Awareness Day

29 July · United States / founder-created disability and caregiver recognition observance

Observance registry and awareness-calendar material identify July 29 and attribute the 2019 creation to Robin Lococo in memory of her sister Debra Marie.

National Champagne Day

31 December · United States / informal Champagne observance

National Day Calendar and National Today independently place National Champagne Day on December 31 each year.

National Check the Chip Day

15 August · United States / veterinary microchip awareness observance

American Veterinary Medical Association material identifies National Check the Chip Day as August 15 every year.

National Check Your Coverage Day

21 January · United States / Talkspace-created insurance-awareness campaign

Talkspace launched Check Your Coverage Day on January 21 in 2025, and its later corporate materials explicitly describe every January 21 as National Check Your Coverage Day and promoted the…

National Check Your Meds Day

21 October 2017 (documented launch campaign; current annual recurrence not established by the cited primary record) · United States / 2017 medication-review campaign involving Consumer Reports Best Buy Drugs and community pharmacists

The National Community Pharmacists Association documented an October 21, 2017 launch of National Check Your Meds Day. The available primary record does not establish a permanent annual recu…

National Checklist Day

30 October · United States / informal checklist and aviation-safety-themed observance

An FAA Safety Briefing article explicitly notes that National Checklist Day rolls around every October 30 while also noting that it has not inspired an annual proclamation.

National Cheese Curd Day

15 October · United States / Culver’s-created cheese-curd celebration

Culver’s states that it created National Cheese Curd Day in 2015 and celebrates it every October 15.

National Cheese Day

4 June in 2026 · Wisconsin, United States / 2026 gubernatorial proclamation

Wisconsin Governor Tony Evers’ proclamation index and 2026 proclamation designate June 4, 2026 as National Cheese Day throughout Wisconsin.

National Cheese Fondue Day

11 April · United States / informal food observance repeatedly promoted by The Melting Pot

The Melting Pot’s first-party 2025 material identifies April 11 as National Cheese Fondue Day, continuing a long-running brand celebration.

National Cheese Lover’s Day

20 January · United States / informal cheese-appreciation observance; 2026 Wisconsin state proclamation is an edition-specific acknowledgment, not federal status

Dairy Farmers of Wisconsin identifies January 20 as National Cheese Lover’s Day, and Wisconsin’s governor separately proclaimed Cheese Lover’s Day for January 20, 2026.

National Cheese Pizza Day

5 September · United States / informal food observance

Pizza Hut first-party campaign material and contemporaneous brand releases repeatedly use September 5 for National Cheese Pizza Day.

National Cheese Toast Day

15 September · United States / Sizzler-created branded food observance

Sizzler’s own press releases celebrate National Cheese Toast Day on September 15 and identify the chain’s participation in the observance.

National Cheeseburger Day

18 September · United States / informal food observance with first-party burger-brand corroboration

Wendy’s first-party material identifies September 18 as National Cheeseburger Day.

National Cheesecake Day

30 July · United States / informal food observance with repeated first-party brand usage

The Cheesecake Factory repeatedly identifies July 30 as National Cheesecake Day, including its 2025 and 2026 first-party promotions.

National Chicken Finger Day®

27 July · United States / Raising Cane’s-created food celebration

Raising Cane’s states that founder Todd Graves created National Chicken Finger Day in 2010 and that it is celebrated on July 27.

National Chicken Lady Day

4 November · United States / recognition day honoring Dr. Marthenia “Tina” Dupree

National Day Calendar identifies November 4 as the annual date and documents the 2001 creation of the observance to honor Dr. Marthenia “Tina” Dupree.

National Chicken Wing Day

29 July · United States / informal nationwide culinary observance anchored to Buffalo’s July 29 Chicken Wing Day proclamation

New York Senate resolutions document that the City of Buffalo proclaimed July 29, 1977 as Chicken Wing Day and continued to recognize the date; modern “National” usage is informal rather th…

National Child Identity Theft Awareness Day

1 September · United States / Experian-created child identity-theft awareness campaign

Experian states that it designated September 1 as National Child Identity Theft Awareness Day and uses the date for public education on child identity theft.

National Childhood Stroke Awareness Day

3 May 2008 · United States / one-time Senate designation

U.S. Senate Resolution 549 designated 3 May 2008 as National Childhood Stroke Awareness Day.

National Children's Craft Day

14 March · United States / informal children-and-crafts observance

National Day Calendar and National Today independently place National Children's Craft Day on March 14 each year.

National Children’s Mental Health Awareness Day

May awareness campaign; verify the exact current-year event date before publishing a date-specific claim · United States / SAMHSA children’s mental-health awareness campaign

SAMHSA maintains a Children’s Mental Health Awareness Day digital toolkit and current campaign material. The authority record deliberately avoids converting a changing campaign schedule int…

National Chili Dog Day

Last Thursday in July · United States / informal food observance

National Today and Days Of The Year independently define Chili Dog Day as the last Thursday in July each year.

National Chocolate Chip Cookie Day

4 August · United States / informal food observance with repeated first-party hospitality-brand usage

DoubleTree by Hilton repeatedly identifies August 4 as National Chocolate Chip Cookie Day, including 2025 and 2026 first-party releases.

National Chocolate Eclair Day

22 June · United States / informal food observance

Independent observance calendars identify June 22 as National Chocolate Eclair Day.

National Chocolate Macaroon Day

3 June · United States / informal food observance

Independent observance calendars identify June 3 as National Chocolate Macaroon Day.

National Chocolate Mint Day

19 February · United States / informal confectionery observance

Retail Confectioners International references Chocolate Mint Day on February 19, and National Day Calendar uses the same annual date.

National Chocolate-Covered Cashews Day

21 April · United States / informal food observance

National Day Calendar and National Today independently place the chocolate-covered-cashews observance on April 21 each year; punctuation varies slightly between sources.

National Christmas Movie Marathon Day

23 December · United States / informal seasonal entertainment observance

National Today places National Christmas Movie Marathon Day on December 23 annually, and EventGuide independently lists it every December 23.

National Cinnamon Raisin Bread Day

16 September · United States / informal food observance

National Day Calendar and National Today independently place National Cinnamon Raisin Bread Day on September 16 each year.

National Clean Out Your Computer Day

Second Monday in February · United States / informal computer-maintenance observance

Timeanddate and National Day Calendar both place the observance on the second Monday in February and attribute its promotion to the Institute for Business Technology around 2000.

National Clean Out Your Refrigerator Day

15 November · United States / household-cleaning observance with historical Whirlpool attribution

North Carolina Cooperative Extension identifies November 15 as National Clean Out Your Refrigerator Day and reports that Whirlpool Home Appliances home economists created the observance in…

National Clean Out Your Virtual Desktop Day

Third Monday in October · United States / informal digital-organization awareness observance

Timeanddate and observance references use the third Monday in October and attribute the observance to the Personal Computer Museum in 2010.

National Clean Up Your Pantry Day

11 April · United States / informal home-organization observance

National Today and Days Of The Year independently place National Clean Up Your Pantry Day on April 11 each year.

National Clean Your Desk Day

Second Monday in January · United States / informal workspace-organization observance

Multiple current observance references place Clean Your Desk/Clean Off Your Desk Day on the second Monday in January; secondary history attributes it to Anne Moeller.

National Clean Your Room Day

10 May · United States / informal cleaning and home-organization observance

National Today uses National Clean Your Room Day on May 10, while National Day Calendar uses the closely matching name National Clean Up Your Room Day on the same annual date.

National CleanUp Day

Third Saturday in September · United States / organizer-led volunteer cleanup campaign

The official National CleanUp Day organization states that the observance takes place every year on the third Saturday in September.

National Climate-Smart Skin Awareness Day

28 June · United States / Pour Moi Skincare-created skin-awareness campaign

Pour Moi Skincare’s current campaign page identifies June 28 as National Climate Smart Skin Awareness Day and explicitly says it was founded by Pour Moi Skincare.

National Coaches Day

6 October; federal proclamation specifically designated 6 October 1972 · United States / coach recognition

President Richard Nixon proclaimed October 6, 1972 as National Coaches Day, highlighting coaches as teachers, counselors and mentors.

National Coconut Cream Pie Day

8 May · United States / informal food observance

Independent observance calendars identify May 8 as National Coconut Cream Pie Day.

National Coffee Break Day

20 January · United States / coffee-industry observance attributed by participating brands to the National Coffee Association

A Don Francisco’s Coffee first-party release identifies January 20 as National Coffee Break Day and states that the nationwide celebration was initiated by the National Coffee Association.

National Coffee Day

29 September · United States / coffee-industry observance

The National Coffee Association repeatedly marks National Coffee Day around September 29, including its 2025 research release issued in advance of the September 29 observance and subsequent…

National Coffee with a Cop Day

First Wednesday in October · United States / community-policing program

Coffee with a Cop states that the national day continues each year on the first Wednesday in October and identifies the 2026 edition as October 7.

National Color Day

22 October · United States / informal color observance recognized by Crayola

Crayola first-party materials identify October 22 as National Color Day.

National Comic Book Day

25 September · United States / informal comics-reading and publishing observance

Penguin Random House Higher Education published consecutive annual observance features identifying September 25 as National Comic Book Day.

National Compliment Day

24 January · United States / informal appreciation observance

National Day Calendar records January 24 and attributes creation in 1998 to Kathy Chamberlin and Debby Hoffman.

National Compliment Your Mirror Day

3 July · United States / informal self-appreciation observance

National Day Calendar and National Today independently place National Compliment Your Mirror Day on July 3 each year.

National Concert Day

Organizer/edition-defined; documented dates include 5 May 2015, 3 May 2016 and 1 May 2017 · United States / Live Nation concert-season campaign

Live Nation created the first National Concert Day for 5 May 2015, then staged subsequent editions on 3 May 2016 and 1 May 2017. The documented dates vary, so a fixed May 5 recurrence would…

National Concussion Awareness Day®

Third Friday of September; 18 September 2026 · United States / organizer-led concussion awareness

The official National Concussion Awareness Day site identifies Friday, September 18, 2026, states that the observance is recognized on the third Friday of September yearly, and describes it…

National Connecticut Day

10 August · United States / National Day Calendar National State Days series — Connecticut

National Day Calendar lists National Connecticut Day on 10 August. The U.S. Senate records Connecticut’s admission/statehood date as 9 January 1788. The two dates are deliberately kept sepa…

National Cook a Sweet Potato Day

22 February · United States / informal food observance

National Day Calendar and National Today independently place National Cook a Sweet Potato Day on February 22 each year.

National Cook For Your Pets Day

1 November · United States / informal pet observance documented by a veterinary institution

The Animal Medical Center repeatedly lists National Cook for Your Pets Day on November 1 in its annual pet-holiday and veterinary-awareness calendars.

National Cookie Cutter Day

1 December · United States / informal baking and food observance

National Today and Days Of The Year independently place National Cookie Cutter Day on December 1 each year.

National Cookie Dough Day

21 June · United States / informal food observance

National Today and Days Of The Year independently place National Cookie Dough Day on June 21 each year.

National Cookie Exchange Day

22 December · United States / informal seasonal baking and social observance

Multiple observance references consistently place National Cookie Exchange Day on December 22.

National Cooking Day™

25 September · United States / PotsandPans.com and Meyer Corporation-created home-cooking observance

Meyer Corporation’s creator-provided 2016 release says PotsandPans.com created National Cooking Day and identifies September 25 as the observance date.

National Coquilles Saint Jacques Day

16 May · United States / informal food observance

National Day Calendar and National Today independently place National Coquilles Saint Jacques Day on May 16.

National Corn Dog Day

Third Saturday in March · United States / informal food-and-sports observance

National Day Calendar identifies Brady Sahnow and Henry Otley as creators of the 1992 observance and marks the date as changing annually; SONIC celebrated it on March 15, 2025 and Kirby Fam…

National Corvette Day

30 June (2008 House resolution) · United States / 110th Congress House resolution

The engrossed text of H.Res. 970 supports designation of June 30 as National Corvette Day in the 110th Congress; that legislative record is historical evidence, not a statutory federal holi…

National Couples Day

18 August · United States / informal relationship observance

National Today and Days Of The Year independently place National Couples Day / National Couple’s Day on August 18 each year.

National Couscous Day

5 August · United States / Branded Food Group-created informal culinary observance

Observance references attribute National Couscous Day to Branded Food Group in 2020 and consistently place it on August 5.

National Cousins Day

24 July · United States / informal family observance

Independent observance calendars identify July 24 as National Cousins Day.

National Craft Distillery Day

22 May · United States / N Scott Distillery-created craft-distillery recognition observance

National Day Calendar identifies Nicholas Strauser, Connie Strauser and Brandy Strauser-Sobanski of N Scott Distillery as the 2019 founders and records May 22 as the annual observance date.

National Craft for Your Local Shelters Day

21 July · United States / animal-shelter craft-support campaign

Founder Erika Lindquist’s Sew Doggy Style archive says the official date is July 21 and that the observance started in 2012; NAPPS independently attributes the day to Lindquist.

National Craft Jerky Day

27 November · United States / Long Beach Jerky Co.-created craft-food observance

National Day Calendar’s proclamation record identifies Long Beach Jerky Co. as the founder, explains the November 27 date choice, and states that its registrar approved the day in 2016.

National Crawfish Day

17 April · United States / informal food observance

National Today and Days Of The Year independently place National Crawfish Day on April 17 each year.

National Cream Cheese Frosting Day

13 December · United States / Arla-created informal culinary observance

Arla Foods announced December 13 as the inaugural National Cream Cheese Frosting Day in 2018.

National Crime and Intelligence Analyst Appreciation Day

20 September · United States / crime and intelligence analyst professional recognition created by FCIAA

The Florida Crime & Intelligence Analyst Association states that it created NCIAAD in 2021 and promotes the sixth annual observance on September 20, 2026; IALEIA also recognizes the day.

National Crime Junkie Day

18 December · United States / Crime Junkie fan-community anniversary observance

Crime Junkie’s own fifth-anniversary page announced National Crime Junkie Day for December 18, 2022; subsequent observance references retain December 18 as the fan-community date.

National Croatian Wine Day

25 June · United States / Croatian-wine promotional observance

Aroma Wine Co. publishes the observance as an annual June 25 initiative and documents its first annual celebration, while National Today independently places National Croatian Wine Day on J…

National Crossword Puzzle Day

21 December · United States / crossword-puzzle appreciation observance

The U.S. Census Bureau’s current December education calendar lists National Crossword Puzzle Day on December 21; the U.S. House Historian has also acknowledged the December observance.

National Cuban Sandwich Day

23 August · United States / informal food observance associated with a Tampa journalism experiment

Current calendar evidence consistently uses August 23; National Day Calendar documents the modern observance as an intentionally created informal food day rather than an official Cuban or g…

National Custodian Day

2 October · United States / school and workplace custodian appreciation observance

Public-school systems including Albuquerque Public Schools and Bellevue School District recognise National Custodian Day on October 2, providing current institutional corroboration of the d…

National Cut the Cord Day

9 February · United States / Sling TV-created streaming-industry observance

Sling TV’s 2020 fifth-anniversary release announced February 9, 2020 as the first National Cut the Cord Day and states that National Day Calendar declared the observance to recur annually o…

National Cut Your Energy Costs Day

10 January · United States / informal energy-efficiency awareness observance recognized by government and industry sources

U.S. Department of Energy material lists National Cut Your Energy Costs Day on January 10, with municipal-utility and energy-industry sources independently using the same annual date.

National D.A.R.E. Day, 2011

7 April 2011 — edition-specific presidential proclamation · United States / historical youth drug-prevention recognition

President Barack Obama proclaimed April 7, 2011 as National D.A.R.E. Day and described D.A.R.E. as one resource among community-based prevention efforts.

National D.R.E.S.S. Syndrome Day

16 July · United States / DRESS Syndrome Foundation-led awareness

Academic and observance records identify July 16 as National DRESS Syndrome Day and trace the observance to the DRESS Syndrome Foundation.

National Dance Day

Third Saturday in September (19 September in 2026) · United States / American Dance Movement annual dance-participation observance

American Dance Movement states that National Dance Day was established in 2010 and, since 2019, takes place annually on the third Saturday in September.

National Dance The Waltz Day

4 March · United States / informal dance observance

National Today and Checkiday independently place National Dance the Waltz Day on March 4 each year.

National Dark Chocolate Day

1 February · United States / informal culinary observance documented by National Day Calendar

National Day Calendar’s current dedicated page places National Dark Chocolate Day on February 1.

National Day of Encouragement

12 September in repeated U.S. Senate resolutions · United States / congressional recognition history

U.S. Senate resolutions designated 12 September as National Day of Encouragement in multiple years, including 2008 and 2011.

National Day of Joy

Last Wednesday in June (24 June in 2026) · United States / Comfort Keepers creator-defined observance

Comfort Keepers states that it created National Day of Joy in 2019 and observes it on the last Wednesday in June; its current page identifies 24 June 2026. This makes the date calculable wh…

National Day of Listening

Day after U.S. Thanksgiving in the original annual StoryCorps campaign · United States / StoryCorps oral-history campaign

StoryCorps says it launched the National Day of Listening in 2008; its 2011 annual report describes it as an annual day held the day after Thanksgiving. Later StoryCorps material describes…

National Day of Motoring

24 July · United States / MINI USA creator-defined motoring observance

MINI USA announced National Day of Motoring for 24 July in 2021 and later described the observance as marked each July 24. This supports a stable creator-defined date while remaining distin…

National Day of Reason

4 May · United States / secular observance promoted by the American Humanist Association and partner organizations

The current National Day of Reason campaign and American Humanist Association identify May 4 as the annual observance date; a 2026 U.S. House resolution also recognizes May 4, 2026 without…

National Day of Solidarity with Muslim, Arab, and South Asian Immigrants

20 February 2002 (documented historical event) · United States / documented 2002 immigrant-solidarity campaign event

NYU Special Collections’ archival finding aid documents a National Day of Solidarity with Muslim, Arab, and South Asian Immigrants event on 20 February 2002. That archival evidence is suffi…

National Day of the Horse

13 December · United States / continuing equine-industry observance with 2004 U.S. Senate designation origin

The U.S. Senate agreed to S. Res. 452 designating December 13, 2004 as National Day of the Horse; the American Horse Council continues to recognize December 13 as National Day of the Horse.

National Day on Writing

20 October annually · United States / NCTE writing celebration

The National Council of Teachers of English says it established the National Day on Writing on October 20 to celebrate writing and the many ways people use it.

National Daylight Appreciation Day

21 June · United States / Solatube-sponsored daylight awareness observance

Solatube identifies June 21, the northern-hemisphere summer-solstice date used by its campaign, as National Daylight Appreciation Day and describes itself as the observance sponsor.

National Days of Dialogue

Organizer-announced window during the second and third weeks of January; 5–18 January in the documented 2025 edition · United States / cross-partisan dialogue campaign led by Urban Rural Action and Ideos Institute

Urban Rural Action states that the National Day of Dialogue was founded by Ideos Institute in 2022 and is now held annually during the second and third weeks of January, with event dates se…

National Death Doula Day

20 April · United States / Doulagivers-created end-of-life doula awareness day

Doulagivers identifies April 20 as National Death Doula Day, and observance-registration records trace its creation to Doulagivers in 2019.

National Deck Day

7 July · United States / informal home-and-garden observance

National Today and EventGuide independently place National Deck Day on July 7 each year.

National Deep Dish Pizza Day

5 April · United States / brand-created and broadly promoted informal food observance

UNO stated in 2010 that April 5 is National Deep Dish Pizza Day and that it was first designated in 2009 for UNO’s anniversary; UNO continues to promote the observance.

National Defense Transportation Day

Third Friday in May annually · United States / federal patriotic and national observance framework

36 U.S.C. §120 requests an annual presidential proclamation designating the third Friday in May as National Defense Transportation Day and recognizing the importance of the U.S. transportat…

National DEI Day

17 September · United States / National DEI Day organizer-led observance

The National DEI Day organizer site states that the observance is held each year on September 17, deliberately coinciding with U.S. Constitution Day and Citizenship Day.

National Delaware Day

13 July · United States / National Day Calendar National State Days series — Delaware

National Day Calendar lists National Delaware Day on 13 July. The U.S. Senate records Delaware’s admission/statehood date as 7 December 1787. The two dates are deliberately kept separate so…

National Dentist Day

6 March · United States / informal dental-profession appreciation observance

The Academy of General Dentistry explicitly celebrated National Dentist Day on March 6, 2025, supporting March 6 for the U.S. observance.

National Department Store Day

16 October · United States / informal retail-history observance

National Today and National Day Calendar independently place National Department Store Day on October 16 each year.

National Depression Screening Day (NDSD)

Thursday of the first full week in October (8 October in 2026) · United States / mental-health screening awareness observance

Screening for Mental Health materials and current observance guidance place NDSD on the Thursday of the first full week in October; the 2026 occurrence is October 8.

National Detroit-Style Pizza Day

23 June · United States / Buddy’s Pizza-founded food observance

National Day Calendar’s proclamation and Detroit tourism materials identify Buddy’s Pizza as the founder and June 23 as National Detroit-Style Pizza Day.

National Developmental Disability Professionals Day

15 July each year · United States / NAQ professional-recognition observance

NAQ states that it founded Developmental Disability Professionals Day as a stand-alone day every year on 15 July to recognize professionals who support people with intellectual and developm…

National Device Appreciation Day

17 December · United States / informal technology-appreciation observance

National Today gives National Device Appreciation Day an every-December-17 recurrence, and EventGuide independently lists it every December 17.

National Devil Dog Day

27 April · United States / Sean Alexander Sobel-created snack-cake observance

National Day Calendar’s proclamation record identifies Sean Alexander Sobel as the founder of National Devil Dog Day and proclaims April 27 as the annual observance date.

National Diatomaceous Earth Day

31 August · United States / EP Minerals-created diatomaceous-earth observance

EP Minerals states that it founded National Diatomaceous Earth Day, that National Day Calendar approved the day in 2016, and that the observance is on August 31.

National Disability Independence Day

26 July; 26 July 2026 government-calendar usage verified · United States / ADA-anniversary disability-rights commemoration

Government civil-rights and local-government sources use National Disability Independence Day for July 26, commemorating the anniversary of the Americans with Disabilities Act.

National Disc Golf Day

First Saturday in August; 1 August 2026 · United States / Professional Disc Golf Association community observance

The Professional Disc Golf Association says the first Saturday in August was selected for National Disc Golf Day in 2016.

National Do Something Good for Your Neighbor Day

16 May · United States / Starr Valentino-created neighbor-kindness observance with local civic proclamations

A City of Huntsville proclamation identifies May 16 as National Do Something Good for Your Neighbor Day and credits Starr Valentino with beginning the observance in Atlanta in 2009.

National Do Something Nice Day

5 October · United States / informal kindness observance

Independent observance calendars identify October 5 as the annual date of National Do Something Nice Day.

National Doctors’ Day

30 March · United States

The American Medical Association identifies 30 March as National Doctors’ Day in the United States.

National Dog Biscuit Day

23 February · United States / informal pet observance

The American Kennel Club Gazette explicitly references National Dog Biscuit Day as February 23.

National Dog Dad Day

Day before the third Sunday in June · United States / informal dog-dad appreciation observance

National Today and Days Of The Year independently define National Dog Dad Day as the day before Father’s Day; for the U.S. calendar this is the day before the third Sunday in June.

National Dog Day

26 August · United States-origin / creator-led animal-welfare observance

Founder Colleen Paige’s current holiday list identifies National Dog Day on August 26; the National Dog Day site describes the annual observance and its founding.

National Dog Fighting Awareness Day

8 April annually in ASPCA campaign usage · United States / ASPCA animal-cruelty awareness campaign

The ASPCA designated April 8 as National Dog Fighting Awareness Day in 2014 and has described it as an annual awareness effort against dog fighting.

National Dog Mom’s Day

Second Saturday of May (9 May in 2026) · United States / dog-caregiver appreciation observance

Current pet calendars consistently place National Dog Mom’s Day on the second Saturday in May; the observance is traced to a 2018 launch associated with Dig.

National Dog Parent Appreciation Day

19 April · United States / Dr. Marty Pets-created dog-parent appreciation day

National Day Archives records April 19 as the annual date and identifies Dr. Marty Pets as the creator in March 2021; contemporary launch coverage confirms the inaugural 2021 observance.

National Dog Party Day

21 June · United States / pet-social observance attributed to Arden Moore

Current observance references identify June 21 as the recurring date and attribute creation in 2011 to pet author and safety educator Arden Moore.

National Dog Walker Appreciation Day

8 September · United States / Wag!-created dog-walker recognition day

Wag! announced the first annual National Dog Walker Appreciation Day for September 8, 2016 and established September 8 as the recognition date.

National Donate Life Blue & Green Day

Second Friday in April annually; 10 April 2026 verified · United States / Donate Life America organ, eye and tissue donation awareness campaign

Donate Life America states National Donate Life Blue & Green Day is observed on the second Friday of April each year; New York State health authorities documented the April 10, 2026 observa…

National Donor Day

14 February · United States / organ, eye and tissue donation awareness

Donate Life America lists National Donor Day on February 14 among its national observances and celebrations.

National Donor Sabbath

Three-day observance two weekends prior to Thanksgiving · United States / federal organ-donation outreach

OrganDonor.gov defines National Donor Sabbath as a three-day observance celebrated two weekends prior to Thanksgiving.

National Donut Day

First Friday in June; 5 June 2026 · United States / Salvation Army-origin observance

The Salvation Army says it created the first Donut Day event in Chicago in 1938 and that National Donut Day is held annually on the first Friday in June.

National Double Cheeseburger Day

15 September · United States / informal food observance

Independent observance calendars identify September 15 as National Double Cheeseburger Day.

National Dream Destination Day

13 November · United States / Traveler Ooh La La-created travel inspiration observance

Traveler Ooh La La identifies itself as founder of National Dream Destination Day, while National Today records November 13 each year and attributes the creation to Meg von Haartman/Travele…

National Dress Day

6 March · United States / Ashley Lauren-created fashion observance

Ashley Lauren identifies March 6 as National Dress Day and states that the observance was founded by designer Ashley Lauren.

National Dress Up Your Pet Day

14 January · United States / creator-defined pet observance

Pet-lifestyle advocate Colleen Paige lists National Dress Up Your Pet Day on 14 January, and observance registries attribute its creation to her.

National Drive-In Movie Day

6 June · United States / drive-in cinema history commemoration

DriveInMovie.com identifies June 6 as National Drive-In Movie Day, tied to the June 6, 1933 opening of Richard Hollingshead’s drive-in theater.

National Dumpling Day

26 September · United States / TMI Food Group-founded food observance

National Day Calendar records September 26 as National Dumpling Day and says TMI Food Group submitted the observance in 2015.

National E-Bike Day

30 May · United States / Lectric eBikes-founded recognition day

Lectric eBikes and the Outdoor Industry Association identify May 30 as National E-Bike Day and attribute its establishment to Lectric.

National Eat Your Beans Day

3 July · United States / informal food observance

National Day Calendar and National Today independently place National Eat Your Beans Day on July 3 each year.

National Egg McMuffin Day

2 March · United States / McDonald’s-created product observance

McDonald’s declared March 2 National Egg McMuffin Day in 2020. The date can be retained as the brand-origin observance date, while promotions remain edition-specific.

National Employee Health and Fitness Day

Third Wednesday of May (20 May in 2026) · United States / National Association for Health & Fitness workplace-wellness observance

The U.S. President’s Council historical record identifies the NAHF activity and states that National Employee Health and Fitness Day is held on the third Wednesday of May.

National Encourage a Young Writer Day

10 April · United States / informal literary and educational observance with repeated state legislative recognition

New York Senate resolutions for both 2021 and 2022 recognize April 10 in conjunction with the observance of National Encourage a Young Writer Day, independently confirming the recurring mon…

National Energy Geek Day

6 October · United States / EnergyLogic-created building-energy professional observance

National Day Archives identifies EnergyLogic, Inc. as the 2018 founder and records October 6; current industry-linked calendar material likewise treats October 6 as the fixed annual date.

National English Muffin Day

23 April · United States / Thomas’ English Muffins brand observance

Thomas’/Bimbo Bakeries USA press materials identify April 23 as National English Muffin Day across multiple years.

National Entrepreneurs’ Day

Third Tuesday in November · United States / informal entrepreneurship observance

Historical White House material documents a 2010 National Entrepreneurship Week and National Entrepreneurs’ Day celebration; modern calendar evidence places the continuing observance on the…

National Ex-Spouse Day

14 April · United States / informal relationship observance

Independent observance calendars identify April 14 as National Ex-Spouse Day.

National Exercise Day

18 April · United States / informal registered wellness observance

National Day Archives lists National Exercise Day on April 18 and identifies Jeuse Saint-Fleur, DNP as its creator in 2020.

National Expense Report Day

15 October · United States / Ramp-created workplace and finance campaign

Ramp named October 15 National Expense Report Day in 2025, while the National Day Archives registry records October 15 of each calendar year and identifies Ramp as the creator.

National Explosive Ordnance Disposal Day

First Saturday in May; 2 May in 2026 · U.S. recognition and memorial context for explosive ordnance disposal personnel

U.S. House Resolution 1294 supports designating the first Saturday in May as National Explosive Ordnance Disposal Day, and EOD Warrior Foundation material continues the memorial observance.

National Extra Virgin Olive Oil Day

30 September · United States / informal food observance

Cleveland Clinic News Service identifies September 30 as National Extra Virgin Olive Oil Day, and current observance calendars repeat the same Gregorian date.

National Falls Prevention Awareness Day (legacy day; current campaign is Falls Prevention Awareness Week)

First day of fall historically; current 2026 week is 21–25 September · United States / National Council on Aging Falls Free initiative

NCOA documents that the first National Falls Prevention Awareness Day was promoted on the first day of fall and that the campaign later expanded into Falls Prevention Awareness Week; NCOA’s…

National Family Civility Day

15 November · United States / Rebecca Harper-created family-civility observance

National Day Archives records November 15 and Rebecca Harper as the founder in 2019.

National Family Health History Day

U.S. Thanksgiving Day annually · United States / Surgeon General family-health-history initiative

NHGRI states that every year since 2004 the U.S. Surgeon General has recognized Thanksgiving as National Family Health History Day.

National Family Literacy Day®

1 November annually · United States / National Center for Families Learning family-literacy campaign

The National Center for Families Learning says it worked with Congress in 1994 to designate November 1 as National Family Literacy Day® and continues to observe the date annually.

National Family Owned & Operated Businesses Day

23 June · United States / family-business recognition day established by the AG Center

Kennesaw State University’s Family Enterprise Center identifies June 23 as the annual observance and states the AG Center established it in 2021; registration records corroborate the founde…

National Family PJ Day

14 November · United States / Soma and National Day Calendar-created family observance

National Day Calendar states National Family PJ Day was founded in 2019 with Soma and is observed annually on November 14.

National Farm Animals Day

10 April · United States / animal-welfare awareness observance created by Colleen Paige

Observance and historical-society sources identify April 10 as National Farm Animals Day and trace its creation to Colleen Paige in 2005.

National Farm Workers Day

31 March · United States / farm-worker recognition observed through public proclamations

Public proclamations and government education material recognize National Farm Workers Day on March 31, including a 2026 Colorado resolution and local proclamation language describing annua…

National Farmers Day

12 October · United States / informal farmer-appreciation observance repeatedly acknowledged by USDA and other public institutions

USDA Farm Service Agency communications identify October 12 as National Farmers Day in multiple years; a 2026 Delaware concurrent resolution also describes the observance as annual on Octob…

National Father Daughter Take a Walk Day

7 July · United States / informal father-daughter relationship observance

National Today and Days Of The Year independently place National Father Daughter Take a Walk Day on July 7 each year.

National Father-in-Law Day

30 July · United States / informal family-appreciation observance

Independent observance calendars identify July 30 as National Father-in-Law Day.

National Fatherless Children’s Day

Fourth Sunday in June · United States / Finding Fathers, Inc.-created family-awareness observance

National Day Archives states that Donald Adams of Finding Fathers, Inc. created the observance in 2020 and that it occurs on the fourth Sunday of June.

National Feral Cat Day®

16 October annually · United States-origin / Alley Cat Allies community-cat advocacy campaign with international participation

Alley Cat Allies states it created National Feral Cat Day in 2001 and that the observance falls on October 16.

National Fettuccine Alfredo Day

7 February · United States / informal food observance with Italian restaurant participation

National Day Calendar documents February 7 and traces printed listings to 2005 while explicitly noting the source/origin was not identified; Alfredo alla Scrofa has participated in February…

National Field Marketer’s Day

23 September · United States / Splash-created field-marketing recognition observance

Splash created the inaugural National Field Marketer’s Day for September 23, 2021 and states in its launch announcement that it planned the day to become an annual celebration; the registry…

National Film Score Day

3 April · United States / Movie Scores and More Radio-created film-music appreciation day

National Day Calendar’s proclamation identifies Jeffrey D. Kern of Movie Scores and More Radio as founder and April 3 as the annual observance date.

National Financial Awareness Day

14 August · United States / financial-awareness observance repeatedly recognized by state financial regulators

Michigan DIFS identifies August 14 as National Financial Awareness Day in 2025, and Tennessee TDCI identifies Friday, August 14, 2026 as the observance date.

National Financial Freedom Day

1 July · United States / financial-literacy awareness context; acknowledged by a state financial regulator

Michigan DIFS states that National Financial Freedom Day is observed every year on July 1 and uses the date for consumer financial-education outreach.

National Find a Rainbow Day

3 April · United States / informal seasonal observance

The Georgia Lottery has run an official National Find a Rainbow Day promotion on 3 April, while other institutional/brand calendars also use April 3. This supports the stable informal date…

National Fine Art Appreciation Day

25 October · United States / RoGallery-created fine-art observance

RoGallery’s own Artsy post says it created National Fine Art Appreciation Day on October 25 and that October 25 would be the date going forward; RoGallery’s launch release likewise sets the…

National First Ladies Day

Last Saturday of April (25 April in 2026) · United States / National First Ladies Day Commission recognition initiative

The National First Ladies Day Commission says the observance was founded in 2021 and schedules its annual celebration on the last Saturday in April.

National First Love Day

18 September · United States / informal relationship observance

National Today gives National First Love Day a fixed September 18 recurrence, and Days Of The Year independently lists National First Love Day on September 18.

National First Responders Day

28 October; recognized by USFA and presidential proclamations · United States / federal-agency and presidential recognition

The U.S. Fire Administration recognizes 28 October as National First Responders Day; presidential proclamation records also use that date for national recognition.

National Fish Taco Day

25 January · United States / Rubio’s creator-defined food promotion observance

National Day Archives records National Fish Taco Day on January 25 and attributes its creation to Rubio’s Coastal Grill in 2018; current event listings continue to tie the date to Rubio’s p…

National Fitness Day

First Saturday in May · United States / National Fitness Day organization

The National Fitness Day organization states that the observance started in 2017 and is celebrated on the first Saturday of May in the United States.

National Fitness Recovery Day

Last Tuesday of March · United States / O2 Natural Recovery-created fitness-recovery campaign

National Day Archives’ registered-day record states that National Fitness Recovery Day was created by O2 Natural Recovery in March 2021 and takes place on the last Tuesday of every March.

National Florida Day

25 January · United States / National Day Calendar National State Days series — Florida

National Day Calendar lists National Florida Day on 25 January. The U.S. Senate records Florida’s admission/statehood date as 3 March 1845. The two dates are deliberately kept separate so t…

National Flower Day

21 March · United States / informal floral-appreciation observance

National Today gives National Flower Day a fixed March 21 recurrence, while The Old Farmer’s Almanac independently lists National Flower Day on March 21 in successive yearly calendars.

National Food Bank Day

4 September 2026 · United States / St. Mary’s Food Bank-origin service campaign

St. Mary’s Food Bank describes National Food Bank Day as its own national holiday now celebrated nationwide and lists the 2026 event on September 4. The current first-party page verifies th…

National Food Faces Day

6 April · United States / Holland America Line and chef Rudi Sodamin-created food-art observance

Holland America Line announced April 6 as National Food Faces Day in honor of chef Rudi Sodamin’s food-art work; observance registration corroborates the date.

National Food is Medicine Day

14 September 2025 (119th Congress resolution; target-year designation must be refreshed) · United States / congressional resolution supporting a 2025 designation

H.Res.712 in the 119th Congress expressly supports designation of September 14, 2025 as National Food is Medicine Day. That resolution is year-specific and does not by itself create a perma…

National Food Service Workers Day

25 September · United States / informal food-service worker appreciation observance

The International Dairy Deli Bakery Association’s 2026 industry calendar lists National Food Service Workers Day on September 25, with additional industry/union recognition on that date.

National Food Truck Day

Last Friday of June (26 June in 2026) · United States / National Food Truck Day campaign

The official National Food Truck Day campaign states that the observance is always held on the last Friday in June.

National Football Day

19 July · United States / informal sports observance

National Day Archives lists National Football Day on July 19; the evidence establishes a calendar date at registry level, not an NFL or government designation.

National Football Hangover Day

Day after the Super Bowl · United States / creator-backed informal sports-culture observance

National Day Calendar states that it founded National Football Hangover Day with Katie Nolan in 2019 and defines it as the day after the big game; Days Of The Year independently describes t…

National Forklift Safety Day

9 June 2026 · United States / Industrial Truck Association workplace-safety event

The Industrial Truck Association’s 13th annual National Forklift Safety Day was held June 9, 2026; OSHA also published remarks for that event.

National Former POW Recognition Day

9 April annually · United States / Department of Veterans Affairs remembrance observance

The U.S. Department of Veterans Affairs states that National Former POW Recognition Day is observed annually on April 9 to honor former prisoners of war who returned home.

National Fortune Cookie Day

20 July · United States / informal food observance

National Day Calendar and National Today independently place National Fortune Cookie Day on July 20.

National Fragile X Awareness Day

22 July · United States / Fragile X advocacy observance

The National Fragile X Foundation states that the 106th Congress designated July 22 as National Fragile X Awareness Day in 2000.

National Freedom Day

1 February · United States

Title 36, U.S. Code §124 authorizes the President to proclaim 1 February as National Freedom Day to commemorate the 1865 joint resolution proposing the Thirteenth Amendment.

National Freedom of Information Day

16 March annually · U.S. open-government and freedom-of-information awareness observance associated with Sunshine Week

The National Freedom of Information Coalition states that Sunshine Week coincides with National Freedom of Information Day on 16 March, James Madison’s birthday.

National French Bread Day

21 March · United States / informal food observance

Independent observance calendars identify March 21 as National French Bread Day.

National Fried Rice Day

20 September · United States / Benihana-created food observance

Benihana declared September 20 the first annual National Fried Rice Day in 2018 and has continued to associate the observance with that date.

National Friendship Day

First Sunday in August · United States / informal friendship observance

National Day Calendar and Days Of The Year independently define National Friendship Day as the first Sunday in August each year.

National Frog Jumping Day

13 May · United States / informal literary-history-inspired observance

National Day Calendar lists National Frog Jumping Day on May 13, and the Richmond Public Library independently includes May 13 while noting the Mark Twain frog-jumping literary connection.

National Fruit at Work Day

First Tuesday of October (6 October in 2026) · United States / The FruitGuys workplace fruit-awareness campaign

The official National Fruit at Work Day site states the observance is celebrated on the first Tuesday of October and is presented by The FruitGuys.

National Funeral Director and Mortician Recognition Day

11 March 2026 · United States / funeral-service professional recognition

The National Funeral Directors Association published its 2026 recognition message for National Funeral Director and Mortician Recognition Day on 11 March.

National Gardening Day

14 April · United States / widely recognized gardening observance with current USDA NIFA recognition

USDA’s National Institute of Food and Agriculture lists April 14 as National Gardening Day in its 2026 social-media toolkit.

National Gardening Exercise Day

6 June 2026 · United States / 2026 gardening observance acknowledged by university extension

University of Nevada, Reno Extension’s 2026 gardening calendar lists June 6 as National Gardening Exercise Day. The institutional evidence confirms the 2026 date but does not by itself prov…

National Garfield the Cat Day

19 June · United States / informal pop-culture observance

National Day Archives lists National Garfield the Cat Day on June 19; this matches Garfield’s widely recognized June 19 birthday, but the authority record remains narrowly registry/date sco…

National Get Out of the Dog House Day

Third Monday in July · United States / informal relationship-themed observance

National Day Archives explicitly states that National Get Out of the Dog House Day is celebrated on the third Monday of July.

National Get Up Day

1 February annually in U.S. Figure Skating material · U.S. Figure Skating-founded resilience and perseverance campaign

U.S. Figure Skating states that it founded National Get Up Day and has celebrated it annually on 1 February, with the campaign centered on perseverance and getting back up after setbacks.

National Gingerbread Cookie Day

21 November · United States / informal food observance

Independent observance calendars identify November 21 as National Gingerbread Cookie Day.

National Girl Hug Boy Day

11 January · United States / informal relationship observance

National Today gives National Girl Hug Boy Day an every-January-11 recurrence, and EventGuide independently lists it every January 11.

National Girl Me Too Day

7 April · United States / Girl Me Too movement recognition day founded by Symonia Montgomery

The Girl Me Too organization identifies April 7 as National Girl Me Too Day and attributes the initiative to founder Symonia Montgomery.

National Girlfriend Day

1 August · United States / informal relationship observance

National Today gives National Girlfriend Day a fixed August 1 recurrence, and Timeanddate independently lists National Girlfriend Day on August 1 across successive years.

National Girls & Women in Sports Day®

4 February 2026 · United States / girls and women in sports

The Women’s Sports Foundation identifies February 4, 2026 as National Girls & Women in Sports Day®, says it co-founded the observance, and describes itself as its national steward.

National Girls' Night In Day

22 September · United States / Ketel One Botanical brand-created observance

National Day Calendar’s proclamation archive states that Ketel One Botanical founded the observance in 2018 and set it annually for September 22.

National Give Someone a Cupcake Day

8 May · United States / informal food-and-kindness observance

National Today gives National Give Someone a Cupcake Day a fixed May 8 recurrence, and EventGuide independently lists it as an every-May-8 observance.

National Give Something Away Day

15 July · United States / Linda Eaton Hall-Fulcher-created giving observance

National Day Calendar identifies Linda Eaton Hall-Fulcher as the founder of National Give Something Away Day in 2015 and records July 15 as the annual date.

National Go Birding Day

25 April 2026 · United States / 2026 birding observance acknowledged by public land agencies

The U.S. Bureau of Land Management and state public-lands calendars acknowledge National Go Birding Day on April 25, 2026. Available first-party evidence establishes the 2026 edition but do…

National Golf Day

4–6 May 2026 · United States / American Golf Industry Coalition advocacy event in Washington, D.C.

The American Golf Industry Coalition lists the 18th annual National Golf Day for May 4–6, 2026 in Washington, D.C.; its 2027 dates are different, confirming edition-specific scheduling.

National Golf Lover’s Day

4 October · United States / informal sports observance

National Day Archives lists National Golf Lover’s Day on October 4; the public plural “Lovers” rendering is treated as an alias.

National Good Neighbor Day

28 September in the current organizer framework · United States / community observance and historical congressional recognition context

The current National Good Neighbor Day organizer uses September 28. Historical congressional materials contain date-specific and fourth-Sunday recognition formulations, so the record does n…

National Gooey Butter Cake Day

12 August · United States / Schnucks-created St. Louis food observance

Schnucks’ first-party page states that National Gooey Butter Cake Day is August 12 and that the observance was created by Schnucks; supporting observance history dates the launch to 2019.

National Goof Off Day

22 March · United States / informal humor and leisure observance

National Day Calendar and National Today independently place National Goof Off Day on March 22 each year.

National Gourmet Coffee Day

18 January · United States / informal coffee observance

National Today and Days Of The Year independently place National Gourmet Coffee Day on January 18 each year.

National Grain-Free Day

21 February · United States / Siete Family Foods-created food observance

National Day Calendar’s proclamation record states that Siete Family Foods founded National Grain-Free Day in 2019 and that the registrar proclaimed it annually on February 21.

National Grandparents Day

First Sunday in September after Labor Day annually · United States / statutory national observance

36 U.S.C. §125 requests an annual presidential proclamation designating the first Sunday in September after Labor Day as National Grandparents Day.

National Grateful Patient Day

7 September · United States / grateful-patient recognition initiative founded by Rolf Benirschke

National Day Calendar’s proclamation identifies Rolf Benirschke as founder and September 7 as the annual observance date; health-system foundation materials also use September 7.

National Great American Pot Pie Day

23 September · United States / Marie Callender’s-created food observance

National Day Calendar records September 23 as National Great American Pot Pie Day and attributes creation of the observance to Marie Callender’s in 2002.

National Green Bean Casserole Day

3 December · United States / informal food observance

National Today and AnydayGuide independently place National Green Bean Casserole Day on December 3.

National Greeting Card Day

1 April · United States / Lovepop-created greeting-card observance

Lovepop states that it marks April 1 as National Greeting Card Day, tying the date to its April 1, 2014 launch; National Day Archives records April 1 of each calendar year and identifies Lo…

National Grief Awareness Day

30 August · United States / grief-awareness observance founded by Angie Cartwright in 2014

Multiple local-government records recognize August 30 as National Grief Awareness Day and identify Angie Cartwright as its 2014 founder.

National Griper’s Day

15 April · United States / informal humorous observance

National Today and EventGuide independently list National Griper’s Day on April 15.

National Guard Birthday

13 December annually · United States / National Guard institutional anniversary

The National Guard identifies 13 December as its birthday.

National Hair Day

1 October · United States / NuMe-created hair appreciation observance

NuMe identifies itself as the founder of National Hair Day and states that the observance is celebrated on October 1.

National Hairball Awareness Day

Last Friday of April (24 April in 2026) · United States / cat-health awareness observance

The Animal Medical Center’s 2026 veterinary-awareness calendar and National Day Calendar both place Hairball Awareness Day on the last Friday in April.

National Hairstylist Appreciation Day

25 April · United States / beauty-industry professional appreciation observance

The Professional Beauty Association published its National Hairstylist Appreciation Day recognition on April 25, 2024 and explicitly identified the occasion by name.

National Hairstylist Mental Health Awareness Day

27 May · United States / Booksy-created hairstylist mental-health awareness observance

Beauty-industry material published on May 27 states that Booksy designated May 27 as National Hairstylist Mental Health Awareness Day; current observance listings attribute the 2021 creatio…

National Hamburger Day

28 May · United States / informal food observance with repeated burger-brand usage

Wendy’s and BurgerFi first-party materials identify May 28 as National Hamburger Day in separate years.

National Hanging Out Day

19 April · United States / Project Laundry List air-drying awareness campaign

National Day Calendar documents April 19 and says Project Laundry List and partner organizations have sponsored National Hanging Out Day since 1995.

National Hangover Day

1 January · United States / informal lifestyle observance

National Today and Days Of The Year independently place National Hangover Day on January 1 each year.

National Hawaii Day

5 July · United States / National Day Calendar National State Days series — Hawaii

National Day Calendar lists National Hawaii Day on 5 July. The U.S. Senate records Hawaii’s admission/statehood date as 21 August 1959. The two dates are deliberately kept separate so the i…

National Healthcare Decisions Day

16 April · United States / advance-care-planning awareness initiative

The Conversation Project’s National Healthcare Decisions Day page identifies April 16 and frames the initiative around inspiring, educating and empowering the public and providers about adv…

National Healthy Fats Day

21 March · United States / Healthy Fats Coalition educational campaign

Healthy Fats Coalition material calls March 21 National Healthy Fats Day, describes the 2022 observance as the fifth annual edition, and identifies the day as the coalition’s brainchild.

National Heat Awareness Day

Last Friday in May · United States / heat-safety awareness

A New York legislative resolution states that National Heat Awareness Day is observed each year on the last Friday in May to highlight heat-related health risks.

National Hepatitis Testing Day

19 May annually; 19 May 2026 verified · United States / CDC viral-hepatitis awareness

CDC’s 2026 Hepatitis Awareness Month material states that May 19 is National Hepatitis Testing Day and frames it as a reminder about viral hepatitis prevention, testing and treatment.

National Higher Education Day

6 June · United States / higher-education encouragement observance founded in 2015

Puget Sound Educational Service District identifies June 6 as National Higher Education Day and traces the 2015 founding to Izamar Olaguez and Marcie Hronis.

National Hire a Veteran Day

25 July · United States / veteran-employment awareness

The U.S. Department of Veterans Affairs says National Hire a Veteran Day is recognized annually on July 25 and traces the observance to Dan Caporale in 2017.

National HIV Testing Day

27 June annually · United States / HIV testing awareness

HIV.gov states that National HIV Testing Day was first observed on June 27, 1995 and encourages people to get tested, know their status and connect with care and treatment.

National HIV/AIDS and Aging Awareness Day

18 September each year · United States / HIV and aging awareness

HIV.gov states that National HIV/AIDS and Aging Awareness Day is observed each year on September 18 and focuses on people aging with HIV and their health and social needs.

National Holistic Pet Day

30 August · United States / holistic pet-care awareness observance attributed to Colleen Paige

Holistic Select recognizes National Holistic Pet Day and attributes its origin to animal advocate Colleen Paige; current observance references use August 30.

National Home Warranty Day

10 February · United States / 2-10 Home Buyers Warranty-created industry observance

2-10 Home Buyers Warranty states that every February 10 the nation celebrates National Home Warranty Day and identifies itself as the founder.

National Homemaker Day

3 November · United States / informal homemaker and household-work appreciation observance; legacy SEO wording retained as alias

Current observance references use November 3 for National Homemaker Day and identify National Housewife Day as an alternate/legacy name.

National Honor Our LGBT Elders Day

16 May · United States / elder-recognition observance supported by SAGE and the National Resource Center on LGBTQ+ Aging

SAGE/National Resource Center materials identify May 16 as National Honor Our LGBT Elders Day; congressional resolutions have also recognized the observance.

National Horse Protection Day

1 March · United States / horse-welfare observance founded by Colleen Paige in 2005

ASPCA and a New York State legislative resolution recognize March 1 as National Horse Protection Day; the resolution traces its establishment to Colleen Paige in 2005.

National Hospital Day

12 May 1921 (historical designation; later expanded into National Hospital Week) · United States / historical predecessor of National Hospital Week

American Hospital Association archival material states that President Warren G. Harding established National Hospital Day on May 12, 1921, chosen for Florence Nightingale’s birthday; in 195…

National Hot Chocolate Day

31 January · United States / informal food observance with repeated first-party beverage-brand usage

Dunkin first-party material identifies January 31 as National Hot Chocolate Day in multiple archived pieces.

National Hot Dog Day

Third Wednesday of July (15 July in 2026) · United States / National Hot Dog and Sausage Council food-industry observance

The National Hot Dog and Sausage Council planning guide places National Hot Dog Day on the third Wednesday in July.

National Hot Tea Day

12 January · United States / Tea Council of the USA-created observance

The Tea Council of the USA announced the first National Hot Tea Day for January 12, 2016 and continued using January 12 in later annual campaigns.

National HSA Awareness Day

15 October · United States / WEX-created health-savings-account education campaign

WEX announced National HSA Awareness Day as an annual October 15 initiative in 2019 and later reported hosting its fifth annual HSA Day in 2023.

National Hug a Newsperson Day

4 April · United States / informal news-professional appreciation observance

National Day Calendar and National Today independently place National Hug a Newsperson Day on April 4 each year; National Day Calendar also documents the older “National Hug a Newsman Day”…

National Hug a Plumber Day

25 April · United States / informal plumber-appreciation observance

National Day Calendar and plumbing-industry publication Plumbing & Mechanical independently identify April 25 for National Hug a Plumber Day.

National Hug Your Dog Day

10 April · United States / informal pet observance

The Animal Medical Center repeatedly lists National Hug Your Dog Day on April 10, with independent veterinary-practice corroboration for the same date.

National Hug Your Hound Day

Second Sunday in September · United States / pet appreciation observance

National Day Calendar identifies National Hug Your Hound Day as the second Sunday in September and attributes its creation to Ami Moore. Independent calendar corroboration produces dates co…

National Hug Your Puppy Day

21 January · United States / informal pet-appreciation observance

National Today and Holidays & Observances independently place National Hug Your Puppy Day on January 21 each year.

National Human Trafficking Awareness Day / #WearBlueDay

11 January · United States / DHS Blue Campaign awareness

DHS Blue Campaign identifies January 11 as National Human Trafficking Awareness Day and uses #WearBlueDay to spotlight awareness and education activities.

National Hummingbird Day

First Saturday in September · United States / informal hummingbird-themed observance

Established observance references identify National Hummingbird Day as the first Saturday in September; current references also state that no known creator has been established.

National HVAC Tech Day

22 June annually · United States / ARS/Rescue Rooter-created technician appreciation observance

ARS/Rescue Rooter says it established National HVAC Tech Day in 2016 and celebrates it on June 22.

National I Love Horses Day

15 July · United States / informal horse-appreciation observance

The ASPCA identifies July 15 as National I Love Horses Day; a professional association publication independently uses July 15 as I Love Horses Day.

National I Love My Dentist Day

2 June · United States / informal dentist-appreciation observance documented by a professional trade association

Promotional Products Association International explicitly identifies National I Love My Dentist Day and gives its date as June 2.

National Ice Cream Cone Day

22 September · United States / informal food observance with ice-cream-brand calendar corroboration

Hershey’s Ice Cream promotional planning material identifies September 22 as National Ice Cream Cone Day.

National Ice Cream Day

Third Sunday in July; 19 July 2026 · United States / modern recurring convention rooted in the 1984 federal designation

The U.S. Census Bureau currently describes National Ice Cream Day as the third Sunday in July and traces it to President Reagan’s 1984 proclamation. The Reagan Library text shows that the o…

National Ice Cream Pie Day

18 August · United States / informal food observance

National Day Calendar and National Today independently place National Ice Cream Pie Day on August 18 each year.

National Ice Cream Sandwich Day

2 August · United States / informal food observance with first-party ice-cream-brand corroboration

Baskin-Robbins first-party material identifies August 2 as National Ice Cream Sandwich Day.

National Iced Tea Day

10 June · United States / informal beverage observance with first-party tea-brand corroboration

Java House first-party material explicitly identifies June 10 as National Iced Tea Day.

National Idaho Day

17 May · United States / National Day Calendar National State Days series — Idaho

National Day Calendar lists National Idaho Day on 17 May. The U.S. Senate records Idaho’s admission/statehood date as 3 July 1890. The two dates are deliberately kept separate so the inform…

National Iguana Awareness Day

8 September · United States / informal reptile-awareness observance documented by veterinary calendars

The Animal Medical Center repeatedly lists National Iguana Awareness Day on September 8 in annual calendars from 2022 through 2026.

National Illinois Day

7 December · United States / National Day Calendar National State Days series — Illinois

National Day Calendar lists National Illinois Day on 7 December. The U.S. Senate records Illinois’s admission/statehood date as 3 December 1818. The two dates are deliberately kept separate…

National Immigrants Day

28 October 1987 historical designation · United States / one-time 1987 congressional and presidential designation

Congress designated October 28, 1987 as National Immigrants Day and President Ronald Reagan proclaimed that specific 1987 date; the cited federal authority does not create a perpetual annua…

National Independent Beer Run Day

3 July · United States / Brewers Association independent-craft-brewery campaign

The Brewers Association’s current asset toolkit lists National Independent Beer Run Day as July 3 annually and frames it as a campaign supporting small and independent U.S. breweries.

National Independent Worker Day

16 August · United States / independent-worker appreciation observance

National Day Archives records National Independent Worker Day on August 16 and attributes its creation to iPSE-U.S. in 2019; current brand recognition provides additional corroboration.

National Indiana Day

16 November · United States / National Day Calendar National State Days series — Indiana

National Day Calendar lists National Indiana Day on 16 November. The U.S. Senate records Indiana’s admission/statehood date as 11 December 1816. The two dates are deliberately kept separate…

National Infertility Survival Day

Sunday before Mother’s Day (U.S.) · United States / unofficial infertility-awareness and self-care observance

A New York Senate resolution identifies Beverly Barna as the creator and states that National Infertility Survival Day is observed each year on the Sunday prior to Mother’s Day.

National Insurance Awareness Day

28 June · United States / insurance-awareness observance repeatedly recognized by state insurance regulators

Michigan DIFS identifies June 28 as National Insurance Awareness Day in multiple editions, including 2023 and 2026.

National Internet Friends Day

13 February · United States / informal online-friendship observance

National Today and Days Of The Year independently place National Internet Friends Day on February 13 each year.

National Interpreter Appreciation Day

First Wednesday in May · United States / interpreter appreciation observance

Minnesota Judicial Branch explicitly references National Interpreter Appreciation Day on Wednesday, May 6, 2026; Illinois court and public-school calendars place the observance on Wednesday…

National Inventors’ Day

11 February each year · United States / inventor recognition

The U.S. Census Bureau identifies 11 February as National Inventors’ Day and references the presidential proclamation establishing the observance

National Iowa Day

8 February · United States / National Day Calendar National State Days series — Iowa

National Day Calendar lists National Iowa Day on 8 February. The U.S. Senate records Iowa’s admission/statehood date as 28 December 1846. The two dates are deliberately kept separate so the…

National Italian Beef Day

Saturday of U.S. Memorial Day weekend · United States / informal Buona-created Italian-beef promotion

Buona states that it coined/founded National Italian Beef Day in 2015 for the Saturday during U.S. Memorial Day weekend; its 2025 and 2026 releases place it on May 24 and May 23 respectivel…

National Jelly Bean Day

22 April · United States / informal candy observance with repeated Jelly Belly first-party releases

Jelly Belly Candy Company repeatedly identifies April 22 as National Jelly Bean Day in first-party releases across multiple years.

National Just Because Day

27 August · United States / informal fun observance

Independent observance calendars identify August 27 as the annual date of National Just Because Day.

National K-9 Veterans Day

13 March · United States / military-working-dog commemoration

A 2026 Presidential message identifies March 13 as National K-9 Veterans Day and ties the date to the launch of the U.S. Army War Dog Program on March 13, 1942.

National Kentucky Day

19 October · United States / National Day Calendar National State Days series — Kentucky

National Day Calendar lists National Kentucky Day on 19 October. The U.S. Senate records Kentucky’s admission/statehood date as 1 June 1792. The two dates are deliberately kept separate so…

National Key Lime Pie Day

26 September · United States / informal culinary observance acknowledged by Publix

Publix corporate material explicitly identifies September 26 as National Key Lime Pie Day.

National Kids & Pets Day

26 April · United States / Colleen Paige-created child-and-pet awareness day

Founder Colleen Paige states that she created National Kids & Pets Day in 2005; her current holiday listing places it on April 26.

National Kids Fitness Day

4 May · United States / informal children’s fitness observance

UCLA Health explicitly highlights National Kids Fitness Day on May 4 during National Fitness Month, and Days Of The Year independently places the observance on May 4.

National KidsDay

First Sunday in August · United States / National KidsDay Alliance youth-and-family observance

California ACR 86 describes National KidsDay as a special day set aside each year on the first Sunday in August and identifies a National KidsDay Alliance including Boys & Girls Clubs of Am…

National Kindergarten Day

21 April · United States / education observance

The U.S. Census Bureau has published National Kindergarten Day material for 21 April, providing federal-agency confirmation of the observance date.

National Kiss a Wrestler Day

5 October · United States / informal wrestling-themed observance

National Today and Checkiday independently place National Kiss a Wrestler Day on October 5.

National Kitten Day

10 July · United States / creator-defined pet observance

Colleen Paige’s official observance listing identifies National Kitten Day on 10 July.

National Knock Knock Joke Day

31 October · United States / informal humor observance

Independent observance calendars identify October 31 as the annual date of National Knock Knock Joke Day.

National Korean War Veterans Armistice Day

27 July; current federal recognition verified for 2026 · United States / Korean War armistice remembrance

GovInfo’s 2026 federal feature recognizes July 27 as Korean War Armistice Day and pays tribute to Korean War veterans; 36 U.S.C. §127 preserves the earlier statutory National Korean War Vet…

National Lacy Oatmeal Cookie Day

18 March · United States / informal food observance

National Day Calendar and National Today independently place National Lacy Oatmeal Cookie Day on March 18 each year.

National Lard Day

8 December · United States / informal Healthy Fats Coalition-created culinary awareness campaign

Healthy Fats Coalition first-party material repeatedly marks December 8 as National Lard Day and describes the observance as the coalition’s brainchild.

National Latino AIDS Awareness Day (NLAAD)

15 October annually · United States / Latino HIV awareness campaign

HIV.gov states that National Latino AIDS Awareness Day is observed annually on October 15 and documents the Latino Commission on AIDS as a leading organizer of the campaign.

National Law Enforcement Appreciation Day (L.E.A.D.)

9 January · United States / law-enforcement appreciation observance associated with Concerns of Police Survivors (C.O.P.S.)

The U.S. Department of Justice states that Concerns of Police Survivors has designated January 9 as National Law Enforcement Appreciation Day since 2015.

National Law Enforcement Suicide Awareness Day

26 September · United States / law-enforcement mental-health awareness

FBI outreach material identifies September 26 as National Law Enforcement Suicide Awareness Day; Blue H.E.L.P. states the day was created to remember officers lost to suicide and reduce sti…

National Lazy Mom’s Day

First Friday in September · United States / informal family-and-rest observance

National Day Calendar and Days Of The Year independently define Lazy Mom’s Day as the first Friday in September each year.

National Learn About Butterflies Day

14 March · United States / informal nature-education observance

Butterfly Pavilion identifies March 14 as Learn About Butterflies Day, and institutional event calendars corroborate the date.

National Learn to Swim Day™

Third Saturday in May (16 May in 2026) · United States / Swimways-founded water-safety awareness observance

Swimways states that it established National Learn to Swim Day in 2012 and that the observance is held on the third Saturday of May each year.

National Leathercraft Day

15 August · United States / Tandy Leather-created craft observance

Tandy Leather states that it started National Leathercraft Day in 2018 and celebrates it on August 15; National Day Calendar records the Registrar’s annual August 15 proclamation.

National Lemon Cream Pie Day

29 November · United States / informal food observance

Independent observance calendars identify November 29 as National Lemon Cream Pie Day.

National Lemon Cupcake Day

15 December · United States / informal food observance

National Today and Days Of The Year independently state that National Lemon Cupcake Day recurs every December 15.

National Lemonade Day

20 August · United States / informal food observance with repeated first-party corporate/brand usage

Milo’s 2026 National Lemonade Day giveaway begins on August 20, and Lowe’s independently used August 20 for National Lemonade Day in 2020.

National Letter Writing Day

7 December · United States / informal letter-writing observance with long-running museum and cultural-institution usage

The Smithsonian National Museum of American History identifies December 7 as National Letter Writing Day, and the University of Michigan Clements Library documented the same date in 2009 wh…

National Librarian Day

16 April · United States / informal librarian-appreciation observance recognized by public institutions

U.S. Census Bureau educational outreach identifies April 16 as National Librarian Day, and Library of Virginia materials list April 16, 2027 as National Librarian Day, supporting recurring…

National Library Day

6 April · United States / informal library-appreciation observance

National Today places National Library Day on April 6, and EventGuide independently lists it every April 6 across multiple years.

National Library Workers Day

21 April 2026; Tuesday of National Library Week · United States / ALA-APA professional recognition observance

ALA-APA lists National Library Workers Day on Tuesday, April 21, 2026 and explains that it recognizes the valuable contributions of all library workers.

National Life Insurance Day

2 May · United States / Liran Hirschkorn-created life-insurance awareness observance

National Day Calendar identifies Liran Hirschkorn as the founder, records the submission in 2014, and observes National Life Insurance Day annually on May 2.

National Lighthouse Day

7 August; the federal designation was specifically for 7 August 1989, while NPS sites continue present-day commemorative programming · United States / lighthouse history and preservation

President George H. W. Bush proclaimed August 7, 1989 as National Lighthouse Day after Congress designated that bicentennial date; National Park Service sites still use the name for contemp…

National Lineman Appreciation Day

18 April 2026 in H. Res. 1199 · United States / 2026 congressional resolution supporting recognition of electrical linemen

H. Res. 1199 in the 119th Congress expresses support for designating April 18, 2026 as National Lineman Appreciation Day. Because the cited congressional action is edition-specific, refresh…

National Little Black Dress Day

1 September · United States / Black Heart Association cardiovascular-awareness initiative

The Black Heart Association states that National Little Black Dress Day is observed annually on September 1 and that the association created it in 2020.

National Little Pampered Dog Day

27 April · United States / informal pet-appreciation observance

National Today records April 27 and attributes the first 2016 observance to Lourdes Welhaven and Little Pampered Dog magazine.

National Live Fearless Day

2 September · United States / Landry Champlin-created personal-development observance

Landry Champlin states that she created a national holiday, and National Day Archives records National Live Fearless Day as September 2 each year with Champlin as the 2020 creator.

National Lobster Day

25 September 2025 Senate designation; refresh target-year designation · United States / Senate commemorative resolution

GovInfo records S. Res. 393, agreed to by the U.S. Senate, designating September 25, 2025 as National Lobster Day; a similar Senate designation exists for 2024.

National Look Alike Day

20 April · United States / informal resemblance and pop-culture observance

National Day Calendar uses National Look Alike Day and National Today uses Look Alike Day; both place the observance on April 20 each year.

National Look Up at the Sky Day

14 April · United States / informal nature-appreciation observance

National Today uses National Look Up at the Sky Day on April 14; National Day Calendar uses Look Up at the Sky Day on the same annual date.

National Lost Dog Awareness Day

23 April annually · United States / Lost Dogs of America campaign

Lost Dogs of America states that it created the first National Lost Dog Awareness Day on April 23, 2014 and celebrates it each year on April 23.

National Louisiana Day

9 November · United States / National Day Calendar National State Days series — Louisiana

National Day Calendar lists National Louisiana Day on 9 November. The U.S. Senate records Louisiana’s admission/statehood date as 30 April 1812. The two dates are deliberately kept separate…

National Love a Tree Day

16 May · United States / tree-appreciation observance acknowledged by university extension

University of California Agriculture and Natural Resources published a 2026 article explicitly in celebration of National Love a Tree Day on May 16.

National Love Is Kind Day

27 July · United States / Love Is Kind Network-created relationship and abuse-awareness observance

National Day Calendar identifies Rosie Aiello and the Love Is Kind Network as the founders and proclaims National Love Is Kind Day to be observed annually on July 27.

National Love Our Children Day

First Saturday in April · United States / child-safety and prevention awareness

U.S. Army-hosted public information describes National Love Our Children Day as taking place on the first Saturday in April.

National Love People Day

30 September · United States / Lifeline Church-created community observance

Lifeline Church’s lead-pastor biography states that he and church leaders founded National Love People Day in 2017 and that it is celebrated annually on September 30.

National Love Your Pet Day

20 February · United States / pet appreciation observance with state-legislative recognition

New York Senate resolutions in multiple years identify February 20 as Love Your Pet Day in conjunction with the observation of National Love Your Pet Day.

National Love Your Red Hair Day

5 November · United States / How to be a Redhead creator observance

How to be a Redhead states that its co-founders created Love Your Red Hair Day and celebrates it on November 5.

National Macaroni and Cheese Day

14 July · United States / informal food observance

Kraft Heinz’s first-party material explicitly identifies National Mac & Cheese Day as July 14, and St. Jude independently uses July 14 for National Macaroni and Cheese Day.

National Magic Day (historic predecessor to National Magic Week)

31 October (historic National Magic Day) · United States / Society of American Magicians historical observance lineage

The Society of American Magicians documents that permission was obtained in 1938 to proclaim October 31 as National Magic Day in honor of Harry Houdini and explains that the observance late…

National Maine Day

21 December · United States / National Day Calendar National State Days series — Maine

National Day Calendar lists National Maine Day on 21 December. The U.S. Senate records Maine’s admission/statehood date as 15 March 1820. The two dates are deliberately kept separate so the…

National Make A Dog's Day

22 October · United States / Subaru shelter-pet campaign

Subaru of America documents National Make A Dog's Day on October 22 and describes repeated annual editions focused on shelter pets, including older and disabled dogs.

National Make a Friend Day

11 February · United States / informal friendship observance

National Today and Days Of The Year independently place National Make a Friend Day on February 11 each year.

National Make Lunch Count Day

13 April · United States / TGI Fridays-created lunch-break campaign observance

National Day Calendar and launch-era material attribute the 2016 observance to TGI Fridays and place it on April 13.

National Make Your Bed Day

11 September · United States / informal lifestyle observance

National Day Calendar consistently places National Make Your Bed Day on September 11 and explicitly notes that its origin is unidentified.

National Making the First Move Day

7 April · United States / informal relationship and personal-agency observance

Days Of The Year identifies April 7 and names Greshun De Bouse / First Move Life Coaching LLC as founder; LCTI independently acknowledges National Making the First Move Day on April 7.

National Mashed Potato Day

18 October · United States / informal food observance

Bob Evans Farms’ first-party 2024 National Mashed Potato Day promotion is dated October 18, while established observance calendars independently repeat October 18 as the annual date.

National Massachusetts Day

17 August · United States / National Day Calendar National State Days series — Massachusetts

National Day Calendar lists National Massachusetts Day on 17 August. The U.S. Senate records Massachusetts’s admission/statehood date as 6 February 1788. The two dates are deliberately kept…

National Mature Women’s Day

9 April · United States / Laura Geller Beauty brand-created observance

Laura Geller Beauty’s own releases identify April 9 as National Mature Women’s Day and state that the brand created the observance.

National Mechanical Dry Eye Day

19 May · United States / Bio-Tissue founder-led dry-eye awareness campaign

The day registry identifies May 19 and Bio-Tissue as the founder in 2020; independent observance coverage preserves the same annual date.

National Meeting Planners Appreciation Day

Monday of the first full week in May · United States / informal meeting-planner professional appreciation observance

Event/calendar references define the observance as the Monday of the first full week in May; this resolves to May 4 in 2026.

National Mental Health Provider Appreciation Day

12 May · United States / Anne C. Totero-created appreciation observance; separately proclaimed in Wisconsin in sourced years

Founder Anne C. Totero states that she created Mental Health Provider Appreciation Day in 2020 for May 12 and documents Wisconsin proclamations beginning in 2022; the creator continues the…

National Methamphetamine Awareness Day

30 November 2006 (first federal designation) · United States / 2006 federal awareness designation and education effort

DEA records state that President George W. Bush proclaimed November 30, 2006 as the first National Methamphetamine Awareness Day. The cited federal evidence is a specific 2006 designation,…

National Michelle Shafer Half-Moon Cookie Day

25 March · United States / informal memorial food observance

National Today and EventGuide independently place National Michelle Shafer Half-Moon Cookie Day on March 25. The record preserves the memorial context without expanding unsourced biographic…

National Michigan Day

18 January · United States / National Day Calendar National State Days series — Michigan

National Day Calendar lists National Michigan Day on 18 January. The U.S. Senate records Michigan’s admission/statehood date as 26 January 1837. The two dates are deliberately kept separate…

National Military Brats Day

30 April · United States / unofficial recognition day for current and former children of military personnel

Military Brats Registry documents naming 30 April each year as the unofficial Military Brats Day and its 2016 effort to add the day to National Day Calendar; a U.S. Army article independent…

National Military Podcast Day

5 October · United States / Broken Jarhead-created military-podcasting observance

National Day Archives records October 5 of each calendar year and identifies Broken Jarhead, LLC as the 2021 creator; a founder-supplied account likewise states that the paperwork establish…

National Miniature Golf Day

10 May · United States / informal miniature-golf observance

National Day Archives lists National Miniature Golf Day on May 10; the shorter public “Mini Golf” title is treated as an alias.

National Minnesota Day

1 March · United States / National Day Calendar National State Days series — Minnesota

National Day Calendar lists National Minnesota Day on 1 March. The U.S. Senate records Minnesota’s admission/statehood date as 11 May 1858. The two dates are deliberately kept separate so t…

National Minority Donor Awareness Day

1 August · United States / HRSA organ-donation awareness context

HRSA’s health observance communications list National Minority Donor Awareness Day on August 1.

National Missing Children’s Day

25 May · United States / missing-children awareness

The National Center for Missing & Exploited Children states that May 25 is National Missing Children’s Day and explains that the first national observance was proclaimed in 1983 in memory o…

National Mississippi Day

30 November · United States / National Day Calendar National State Days series — Mississippi

National Day Calendar lists National Mississippi Day on 30 November. The U.S. Senate records Mississippi’s admission/statehood date as 10 December 1817. The two dates are deliberately kept…

National Missouri Day

4 January · United States / National Day Calendar National State Days series — Missouri

National Day Calendar lists National Missouri Day on 4 January. The U.S. Senate records Missouri’s admission/statehood date as 10 August 1821. The two dates are deliberately kept separate s…

National Mom and Pop Business Owners Day

29 March · United States / small-business appreciation observance

A New York State Senate resolution for the 2018 observance states that National Mom and Pop Business Owners Day is celebrated every year on March 29 and attributes its establishment to Rick…

National Montana Day

3 May · United States / National Day Calendar National State Days series — Montana

National Day Calendar lists National Montana Day on 3 May. The U.S. Senate records Montana’s admission/statehood date as 8 November 1889. The two dates are deliberately kept separate so the…

National Mother-in-Law Day

Fourth Sunday in October · United States / informal family-appreciation observance

Current observance calendars consistently place National Mother-in-Law Day on the fourth Sunday in October.

National Motorcycle Day

Second Friday in July · United States / Dairyland Insurance-created motorcycle-community observance

Dairyland states that National Motorcycle Day takes place each year on the second Friday in July and identifies July 10 as the 2026 occurrence; its earlier creator-provided release says Dai…

National Muffin Day

20 February · United States / informal food observance with university corroboration

University of Florida IFAS Extension and Truman State University independently identify February 20 as National Muffin Day.

National Mulled Wine Day

3 March · United States / informal mulled-wine observance

National Day Calendar and National Today independently place National Mulled Wine Day on March 3 each year.

National Multivitamin Day

Third Saturday in September · United States / GNC-created consumer awareness observance

GNC launched the first National Multivitamin Day in 2024 and states that the observance is held on the third Saturday of September; current 2026 calendar treatment resolves that rule to Sep…

National Name Your Car Day

2 October · United States / informal automotive lifestyle observance

National Day Calendar and National Today independently place National Name Your Car Day on October 2 each year.

National Name Yourself Day

9 April · United States / informal identity-and-fun observance

National Day Calendar and National Today independently place National Name Yourself Day on April 9 each year.

National Native HIV/AIDS Awareness Day

20 March annually · United States / American Indian and Alaska Native HIV awareness

NIH states that National Native HIV/AIDS Awareness Day is held annually on March 20, is organized by the National Native HIV Network, and highlights HIV education, testing, prevention and t…

National Nebraska Day

5 April · United States / National Day Calendar National State Days series — Nebraska

National Day Calendar lists National Nebraska Day on 5 April. The U.S. Senate records Nebraska’s admission/statehood date as 1 March 1867. The two dates are deliberately kept separate so th…

National Neighbor Day

Sunday before Memorial Day weekend in May · United States / community-neighbor observance described in U.S. Senate Resolution 650

U.S. Senate Resolution 650 records National Neighbor Day as an annual observance on the Sunday before Memorial Day weekend in May and notes its 1993 Westerly, Rhode Island origin.

National New Hampshire Day

7 September · United States / National Day Calendar National State Days series — New Hampshire

National Day Calendar lists National New Hampshire Day on 7 September. The U.S. Senate records New Hampshire’s admission/statehood date as 21 June 1788. The two dates are deliberately kept…

National New Jersey Day

27 July · United States / National Day Calendar National State Days series — New Jersey

National Day Calendar lists National New Jersey Day on 27 July. The U.S. Senate records New Jersey’s admission/statehood date as 18 December 1787. The two dates are deliberately kept separa…

National New Mexico Day

14 June · United States / National Day Calendar National State Days series — New Mexico

National Day Calendar lists National New Mexico Day on 14 June. The U.S. Senate records New Mexico’s admission/statehood date as 6 January 1912. The two dates are deliberately kept separate…

National Night Shift Workers Day

Second Wednesday in May · United States / informal workplace appreciation observance

Current observance references place National Night Shift Workers Day / National Third Shift Workers Day on the second Wednesday in May.

National No Pants Day

First Friday in May · United States / informal novelty observance

National Today and Days Of The Year independently define No Pants Day as the first Friday in May each year.

National No Splinters Day

14 July · United States / informal safety-themed observance

National Today gives National No Splinters Day a July 14 recurrence, and EventGuide independently lists it every July 14.

National No-Code Day

11 March · United States-origin / Zapier-created no-code technology observance

Zapier states that it launched National No-Code Day as an annual celebration and that it is observed every March 11.

National Noodle Day

6 October · United States / informal food observance with repeated first-party restaurant-brand usage

Noodles & Company repeatedly identifies October 6 as National Noodle Day in first-party releases spanning multiple years.

National North Carolina Day

28 September · United States / National Day Calendar National State Days series — North Carolina

National Day Calendar lists National North Carolina Day on 28 September. The U.S. Senate records North Carolina’s admission/statehood date as 21 November 1789. The two dates are deliberatel…

National North Dakota Day

19 April · United States / National Day Calendar National State Days series — North Dakota

National Day Calendar lists National North Dakota Day on 19 April. The U.S. Senate records North Dakota’s admission/statehood date as 2 November 1889. The two dates are deliberately kept se…

National Nothing Day

16 January · United States / satirical informal observance proposed by columnist Harold Pullman Coffin

Modern news and observance references consistently identify January 16 and trace the satirical “un-event” to columnist Harold Pullman Coffin in the early 1970s.

National Nurses Day

6 May · United States / nursing professional recognition

The American Nurses Association records that its Board formally acknowledged May 6, 1982 as National Nurses Day; May 6 remains the opening date of National Nurses Week.

National Nursing Assistants’ Day

17 June in the 2026 health-observances calendar; verify the organizer/industry calendar for each target year · United States / nursing-assistant professional recognition

The 2026 AHCA/NCAL Healthcare Observances Calendar lists National Nursing Assistants’ Day on June 17 and separately lists National Nursing Assistants Week June 11–17, while NAHCA publishes…

National Oatmeal Day

29 October · United States / informal food observance with repeated Quaker/PepsiCo first-party usage

Quaker Oats / PepsiCo repeatedly identifies October 29 as National Oatmeal Day in first-party campaigns across multiple years.

National Oatmeal Muffin Day

19 December · United States / informal food observance

Independent observance calendars identify December 19 as National Oatmeal Muffin Day.

National Ohio Day

2 November · United States / National Day Calendar National State Days series — Ohio

National Day Calendar lists National Ohio Day on 2 November. The U.S. Senate records Ohio’s current statehood date as 1 March 1803 and notes the 1953 congressional resolution that establish…

National Old Maids Day

4 June · United States / informal relationship-and-social-history observance

National Today and Days Of The Year independently place Old Maids Day on June 4 each year.

National One United Race Day

Fourth Saturday in October · United States / One United Race-created anti-racism and unity observance

National Day Archives identifies One United Race as the 2019 founder and gives the fourth Saturday in October; current calendars preserve the same recurrence.

National Online Learning Day

15 September · United States / online-learning community observance registered in 2016

National Day Calendar states the observance was established in 2016 and proclaimed for September 15 annually; universities continue to recognize the same date.

National Opal Apples Day

9 December · United States / Opal Apples brand campaign

Opal Apples maintains a dedicated National Opal Apples Day campaign asset, while current observance calendars consistently place the campaign on December 9.

National Opioid Awareness Day

21 September · United States / opioid-awareness observance recognized by the Indian Health Service

The U.S. Indian Health Service identifies September 21 as National Opioid Awareness Day in its public-health education material.

National Orange Chicken Day

15 July · United States / informal food observance acknowledged by Panda Express

Panda Restaurant Group explicitly acknowledged National Orange Chicken Day on July 15 in a 2025 release; EventGuide independently lists the observance every July 15.

National Orange Juice Day

4 May · United States / informal food observance with Florida citrus-industry and university corroboration

The Florida Department of Citrus and University of Florida IFAS materials repeatedly identify May 4 as National Orange Juice Day.

National Oregon Day

8 March · United States / National Day Calendar National State Days series — Oregon

National Day Calendar lists National Oregon Day on 8 March. The U.S. Senate records Oregon’s admission/statehood date as 14 February 1859. The two dates are deliberately kept separate so th…

National Organize Your Home Office Day

Second Tuesday in March · United States / informal home-office organization observance

National Today and Days Of The Year independently define Organize Your Home Office Day as the second Tuesday in March each year.

National Outdoor Lights Day

5 July · United States / informal home-and-garden observance

National Today gives National Outdoor Lights Day an every-July-5 recurrence, and EventGuide independently lists it every July 5.

National Oyster Day

5 August · United States / informal food and aquaculture observance

USDA NIFA’s August 2025 outreach calendar lists National Oyster Day on August 5, while established observance references repeat August 5 and do not establish a known creator.

National Oysters Rockefeller Day

10 January · United States / Antoine’s Restaurant-created food-history observance

National Day Calendar’s proclamation record states that Antoine’s Restaurant founded National Oysters Rockefeller Day, with the first observance in 2017, and sets January 10 as the annual d…

National Pack Your Lunch Day

10 March · United States / informal food-and-lifestyle observance

National Today and Days Of The Year independently place National Pack Your Lunch Day on March 10 each year.

National Pancake Day (IHOP)

First Tuesday of March · United States / IHOP annual National Pancake Day promotion

In February 2026 IHOP declared the first Tuesday of March as its annual National Pancake Day, with March 3, 2026 as the first edition under that newly stated recurring rule.

National Paralegal Day

6 August annually · U.S. paralegal profession recognition observance

The American Bar Association’s Paralegal Resource Center identifies 6 August as National Paralegal Day and says the day was established in 2024 by NALA, NFPA, NALS and AAfPE; NALA likewise…

National Park Service Founders Day

25 August annually · United States / National Park Service anniversary

The National Park Service identifies 25 August 1916 as the date of the Organic Act creating the agency and recognizes 25 August as Founders Day.

National Parvo Awareness Day

Fourth Tuesday in April (28 April in 2026) · United States / Elanco-founded canine parvovirus awareness campaign

Elanco states that it launched the first National Parvo Awareness Day in 2024 and its campaign material places the observance on the fourth Tuesday in April each year.

National Pasta Day

17 October · United States / informal food observance with first-party pasta-brand corroboration

Barilla’s current National Pasta Month guidance explicitly states that National Pasta Day is celebrated on October 17.

National Patient Advocacy Day

19 August · United States / patient-advocacy awareness campaign; current calendar identifies Ardelyx sponsorship

Current National Patient Advocacy Day coverage places the observance on August 19 every year and identifies Ardelyx as sponsor, while preserving earlier advocacy-history context.

National Patient Recognition Day

3 February · United States / healthcare patient-recognition observance

Virginia Department of Health material identifies National Patient Recognition Day on February 3 within National Patient Recognition Week; observance references trace the day to John O’Mall…

National Patio Umbrella Day

6 July · United States / informal home-and-garden observance

National Today and EventGuide independently place National Patio Umbrella Day on July 6 each year.

National Pay Back a Friend Day

17 October · United States / informal friendship-and-finance observance

National Today and Days Of The Year independently place National Pay Back a Friend Day on October 17 each year.

National Pay Back Your Parents Day

20 November · United States / informal parent-appreciation observance

National Today gives National Pay Back Your Parents Day a fixed November 20 recurrence, and Days Of The Year independently lists it on November 20 across multiple yearly calendars.

National Peanut Butter Cookie Day

12 June · United States / informal food observance supported by peanut-industry and first-party brand evidence

The National Peanut Board’s observance list places National Peanut Butter Cookie Day on June 12, and Hormel/SKIPPY explicitly marked the annual occasion on June 12, 2023.

National Pearl Harbor Remembrance Day

7 December annually · United States / statutory national remembrance

36 U.S.C. §129 designates December 7 as National Pearl Harbor Remembrance Day and requests annual observance and half-staff display in honor of those who died as a result of service at Pear…

National Pecan Cookie Day

21 September · United States / informal food-observance usage; date corroborated by a public university event and a dedicated calendar source, with origin unresolved

The University of North Texas scheduled a National Pecan Cookie Day event on September 21, 2023; National Day Calendar likewise places the recurring informal observance on September 21 whil…

National Pecan Pie Day

12 July · United States / American pecan-industry observance

American Pecans / the American Pecan Council retail-dietitian toolkit tells industry users to celebrate National Pecan Pie Day on July 12.

National Penguin Day

20 January · United States / informal wildlife-awareness observance

American Humane published its penguin-conservation article on January 20 specifically for National Penguin Day, corroborating the recurring date usage.

National Pennsylvania Day

20 July · United States / National Day Calendar National State Days series — Pennsylvania

National Day Calendar lists National Pennsylvania Day on 20 July. The U.S. Senate records Pennsylvania’s admission/statehood date as 12 December 1787. These are separate facts: the calendar…

National Peppermint Bark Day

1 December · United States / Williams Sonoma creator-backed food observance

Williams Sonoma’s first-party releases identify December 1 as the annual National Peppermint Bark Day celebration; current observance history also attributes the holiday launch to Williams…

National Personal Chef Day

16 July · United States / personal-chef professional appreciation observance

National Day Calendar’s current record states that National Personal Chef Day is celebrated each July 16 and attributes its creation in 1991 to the United States Personal Chef Association (…

National Personalized Learning Day

21 January · United States / Fusion Academy-created education observance

Fusion Academy announced the first National Personalized Learning Day for January 21, 2026 and states that the observance is to be held annually on January 21, using 1/21 as a reference to…

National Pet Bedding Hygiene Awareness Day

10 July · United States / informal pet-care awareness observance

Current multi-year calendar data repeats National Pet Bedding Hygiene Awareness Day on July 10. The available evidence supports the recurring date but does not securely establish a founder…

National Pet Bird Day

17 September · United States-origin / Bird Enjoyment & Advantage Koalition companion-bird campaign

The Bird Enjoyment & Advantage Koalition states that it created National Pet Bird Day in 2019 and that the observance takes place on September 17 each year.

National Pet Care for All Day

24 April · United States / East Bay SPCA-founded accessible-pet-care awareness day

East Bay SPCA states that it established National Pet Care for All Day on April 24, 2024, its 150th anniversary, to promote accessible pet care.

National Pet CBD Day

21 April · United States / Innovet-created informal pet-CBD awareness and promotional observance

Innovet announced National Pet CBD Day for April 21 in 2019; archival observance material continues to identify April 21 and Innovet as the creator.

National Pet Choking Prevention Day

22 June · United States / Bow Wow Labs-led pet-safety awareness campaign

Bow Wow Labs identifies June 22 as National Pet Choking Prevention Day, created to raise awareness of choking hazards for pets.

National Pet Day

11 April · United States-origin / creator-led pet observance with public-institution recognition

Founder Colleen Paige’s current holiday list places National Pet Day on April 11, and the U.S. Census Bureau lists National Pet Day on April 11 in its current April resources.

National Pet Fire Safety Day

15 July annually · United States / AKC and ADT pet-safety awareness campaign

The American Kennel Club identifies July 15 as National Pet Fire Safety Day and traces the campaign to AKC and ADT.

National Pet Health Insurance Day

7 April · United States / informal pet-insurance awareness observance

Current veterinary-institution and calendar sources consistently list National Pet Health Insurance Day on April 7. No primary founder was located in this verification wave, so the record v…

National Pet Obesity Awareness Day

Second Wednesday in October · United States / Association for Pet Obesity Prevention awareness campaign

The Association for Pet Obesity Prevention states that its National Pet Obesity Day is recognized each year on the second Wednesday in October and identifies the 2023 observance as National…

National Pet Parents Day

Last Sunday of April (26 April in 2026) · United States / pet-owner appreciation observance

The Animal Medical Center’s 2026 calendar and National Day Calendar identify National Pet Parents Day as the last Sunday in April.

National Pet Rock Day

First Sunday in September · United States / informal novelty-pet observance

National Today and Days Of The Year independently define Pet Rock Day as the first Sunday in September each year.

National Pet Travel Safety Day

2 January · United States / informal pet-travel safety observance recognized by ASPCA

ASPCA publishes pet-travel safety guidance specifically for National Pet Travel Safety Day on January 2, providing strong current recognition of the fixed date.

National Pets for Veterans Day

21 October · United States / pets-and-veterans awareness observance; 2026 New York legislative recognition

A New York legislative resolution memorializes the Governor to proclaim 21 October 2026 as Pets for Veterans Day in conjunction with National Pets for Veterans Day, confirming the date and…

National Peyronie’s Disease Awareness Day

11 October · United States / GAINSWave founder-led Peyronie’s disease awareness observance

Observance registries identify October 11 as National Peyronie’s Disease Awareness Day and attribute the 2018 creation to GAINSWave.

National Pharmacist Day

12 January · United States / pharmacist recognition observance

U.S. government public-health and Census materials recognize National Pharmacist Day on January 12; the Congressional Record also records January 12 recognition.

National Pie Day

23 January · United States / American Pie Council-created pie observance

The American Pie Council states that it created and promotes National Pie Day on January 23.

National Pit Bull Awareness Day

Last Saturday of October; organizer/community scheduling should be rechecked when Halloween conflicts (31 October in 2026) · United States / Bless the Bullys-origin pit-bull education and advocacy campaign

Bless the Bullys documents creating National Pit Bull Awareness Day in 2007. Current observance references generally place it on the last Saturday of October, but some calendars note adjust…

National Pizza Day

9 February · United States / informal food observance with repeated first-party pizza-brand usage

Pizza Hut states that National Pizza Day is celebrated annually on February 9 and has used February 9 in multiple first-party campaigns across years.

National Pizza Party Day

Third Friday in May (15 May in 2026) · United States / informal food observance with explicit current first-party recurrence

Pizza Hut’s 2026 first-party page states that National Pizza Party Day is celebrated annually on the third Friday in May and falls on May 15 in 2026.

National Pizza with the Works Except Anchovies Day

12 November · United States / informal food observance

National Today and Days Of The Year independently place National Pizza with the Works Except Anchovies Day on November 12 each year.

National Plan for Vacation Day

27 January in the cited 2026 tourism edition; commonly promoted in late January and should be re-checked annually · U.S. travel-planning campaign / tourism promotion

Maryland’s official tourism office promoted National Plan for Vacation Day on 27 January 2026, while U.S. Travel materials document the travel-industry campaign and its planning purpose.

National Plant a Flower Day

12 March · United States / informal gardening and seasonal observance

Independent observance calendars place National Plant a Flower Day on March 12 and present it as an annually recurring informal observance.

National Play Day with Dad

25 November · United States / Share Our Style Foundation-created family observance

National Day Calendar’s proclamation record states that Share Our Style Foundation founded National Play Day with Dad in 2019 and that the Registrar proclaimed it to be observed annually on…

National Play Monopoly Day

19 November · United States / informal board-game observance

National Day Calendar repeatedly lists National Play Monopoly Day on November 19 across multiple annual editions. The available evidence supports the date, not a verified Hasbro-created hol…

National Play Outside Day

First Saturday of every month · United States / recurring outdoor-play initiative

The official National Play Outside Day site states that the observance occurs on the first Saturday of every month and records the first National Play Outside Day on April 2, 2011.

National Play Tennis Day

23 February · United States / informal tennis and recreation observance

National Today and Days Of The Year independently place National Play Tennis Day on February 23 each year.

National Play Your Ukulele Day

2 May · United States / informal music-participation observance

National Today and Checkiday independently place National Play Your Ukulele Day on May 2 each year.

National PLAY-DOH Day

16 September · United States / Hasbro-created PLAY-DOH brand observance

Hasbro states that National PLAY-DOH Day is celebrated annually on September 16 and was created by Hasbro in 2006; Hasbro later expanded the celebration globally as World PLAY-DOH Day.

National Plumbers Day

25 April · United States / informal trade-appreciation observance

National Today places National Plumbers Day on April 25, while Days Of The Year independently lists the same date under the alternate name National Hug a Plumber Day.

National Plus Size Appreciation Day

6 October · United States / Women Rock, Inc.-created body-appreciation observance registered with National Day Calendar

National Day Calendar credits Women Rock, Inc. with founding the observance and says the registrar proclaimed annual observance beginning in 2017; the current calendar places it on October…

National Police Woman Day

12 September · United States / police-women recognition observance supported by state and municipal proclamations

North Carolina’s 2025 gubernatorial proclamation states that National Police Woman Day is observed annually on September 12; other public bodies have recognized the same date.

National Popcorn Day

19 January · U.S. popcorn-industry education and consumer celebration

The Popcorn Board identifies January 19 as National Popcorn Day and maintains dedicated educational and celebration resources for the observance.

National Pork Rind Appreciation Day

Super Bowl Sunday (verify the target-year NFL date) · United States / Rudolph Foods pork-rind campaign tied to Super Bowl Sunday

Rudolph Foods’ executive history describes National Pork Rind Appreciation Day as a campaign linking pork rinds with Super Bowl Sunday. Because Super Bowl scheduling is externally determine…

National Potato Day

19 August · United States / informal food and agriculture observance

Potatoes USA’s retail toolkit identifies August 19 as National Potato Day, and USDA NIFA’s August 2025 outreach calendar independently lists National Potato Day on August 19.

National Potty Dance Day

5 March · United States / Charmin-created lighthearted observance

Current calendar references place the observance on March 5 annually and identify Charmin as having created it in 2014.

National POW/MIA Recognition Day

Third Friday in September annually · United States / Department of Defense remembrance observance

The Defense POW/MIA Accounting Agency states that National POW/MIA Recognition Day was established in 1979 and is observed annually on the third Friday of September to honor former POWs and…

National Prairie Day

First Saturday in June; 6 June in 2026 · U.S. prairie conservation and education campaign

The Missouri Prairie Foundation says it founded National Prairie Day in 2016 and observes it annually on the first Saturday in June; its current 2026 programme identifies 6 June 2026.

National PrEP Day

10 October · United States / MISTR and SISTR HIV-prevention awareness campaign

MISTR and SISTR launched the first National PrEP Day for 10 October 2025 and framed 10/10 as the campaign date for expanding PrEP awareness and access.

National PrepareAthon! Day / America’s PrepareAthon!

30 April in documented 2015–2016 FEMA campaign editions · United States / FEMA legacy preparedness campaign

FEMA campaign bulletins documented National PrepareAthon! Day on April 30 in 2015 and 2016. This authority record treats the page as legacy campaign context unless a current FEMA edition is…

National Preschool Health and Fitness Day

Last Friday in January; 30 January 2026 · United States / preschool health-and-fitness awareness; Virginia education-agency recognition

The Virginia Department of Education states that National Preschool Health and Fitness Day is observed annually on the last Friday of January and identifies January 30 for 2026.

National Preschool Teachers Appreciation Day

Third Friday in March · United States / preschool educator appreciation observance

Virginia Department of Education identifies March 20 as National Preschool Teachers Appreciation Day in 2026; its 2025 bulletin used March 21, supporting the recurring third-Friday-in-March…

National Preschooler's Day

Second Friday in March · United States / informal early-childhood appreciation observance

National Today specifies the second Friday in March for National Preschooler's Day, and Holidays and Observances independently gives March 13, 2026 with the same rule.

National Presidential Joke Day

11 August · United States / informal observance tied to Ronald Reagan’s 11 August 1984 microphone-check joke

National Day Calendar and National Day Archives both place the informal observance on 11 August and tie it to Ronald Reagan’s 11 August 1984 sound-check joke. The sources support the observ…

National Pride Prom Day

Fourth Saturday in June · United States / informal LGBTQ+ youth/community observance

National Today describes National Pride Prom Day as the fourth Saturday in June, and EventGuide independently places the 2027 observance on the fourth Saturday, June 26.

National Professional House Cleaners Day

17 September · United States / American House Cleaners Association-founded professional recognition

National Day Calendar records the American House Cleaners Association as founder and September 17 as the annual observance date.

National Programmatic Advertising Day

7 November · United States / Adelphic by Viant-created advertising-industry observance

Viant’s Adelphic announced the first annual National Programmatic Advertising Day in 2019 and explicitly states that the registered day occurs each year on November 7.

National Psychiatric Technician Appreciation Day

Wednesday of the first full week of August (5 August in 2026) · United States / California psychiatric-technician professional recognition

The California Association of Psychiatric Technicians marks the day on Wednesday dates in the first full week of August across multiple years; current calendar references identify the same…

National Psychotherapy Day

25 September · United States / Psychotherapy Foundation-origin professional and public-awareness observance

The launch announcement identifies September 25, 2012 as the first National Psychotherapy Day, sponsored by GoodTherapy.org and the Psychotherapy Foundation; later professional records cont…

National PTSD Awareness Day

27 June annually · United States / VA and congressional recognition

The U.S. Department of Veterans Affairs identifies 27 June as PTSD Awareness Day; congressional records also document National PTSD Awareness Day recognition on that date.

National Public Gardens Day

Friday before Mother’s Day (8 May in 2026) · United States / American Public Gardens Association awareness initiative

The American Public Gardens Association documents National Public Gardens Day as an annual tradition on the Friday preceding Mother’s Day weekend and records its inauguration in 2009.

National Public Radio Day

3 May · United States / informal public-radio appreciation observance

National Today gives National Public Radio Day a fixed May 3 recurrence, and New Hampshire PBS independently acknowledges National Public Radio Day on May 3 in its dated educational calenda…

National Public Science Day

17 February · United States / AAAS-linked public-science outreach observance

A 2000 NCAR/UCAR release says National Public Science Day was sponsored by AAAS and celebrated on February 17; current observance references continue to use February 17 annually.

National Pulled Pork Day

12 October · United States / Sonny’s BBQ-associated pulled-pork observance

Sonny’s BBQ states that National Pulled Pork Day started in 2016 and that it celebrates the observance every October 12.

National Punctuation Day

24 September · United States / privately founded language-awareness observance

CBS coverage identifies National Punctuation Day as a 24 September observance created by Jeff Rubin in 2004.

National Puppy Day

23 March · United States-origin / creator-led animal-welfare observance

Founder Colleen Paige’s current holiday list places National Puppy Day on March 23; the U.S. Census Bureau also lists National Puppy Day on March 23 in public education resources.

National Puppy Mill Survivor Day

30 September · United States / Bailing Out Benji-created puppy-mill awareness day

Bailing Out Benji states it created National Puppy Mill Survivor Day in September 2021 and that it takes place on September 30 each calendar year.

National Purebred Dog Day

1 May · United States / dog-community recognition

The American Kennel Club identifies 1 May as National Purebred Dog Day and its May 2026 Gazette explicitly celebrates the date.

National Radio Day

20 August · United States / unofficial radio appreciation observance acknowledged by Smithsonian institutions

Smithsonian Institution Archives and Smithsonian Libraries both recognize National Radio Day on August 20, providing strong institutional corroboration for the date while not establishing a…

National Raisin Bran Cereal Day

15 November · United States / informal cereal-food observance

National Day Calendar and National Today independently place National Raisin Bran Cereal Day on November 15 each year.

National Raisin Day

30 April · United States / informal food observance documented by the Sun-Maid grower cooperative

Sun-Maid Growers of California explicitly identified April 30 as National Raisin Day in its 2021 first-party campaign announcement.

National Ranch Water Day

11 April · United States / RANCH2O Spirits-created beverage observance

RANCH2O Spirits publishes April 11 as National Ranch Water Day, and the National Day Archives registry states that April 11 is observed each calendar year and that RANCH2O created the day i…

National Raspberry Bombe Day

11 August · United States / informal dessert observance

National Today and Days Of The Year independently place National Raspberry Bombe Day on August 11 each year.

National Raspberry Pop Over Day

3 May · United States / informal food observance

National Today and National Day Calendar independently place National Raspberry Pop Over / Popover Day on May 3 each year.

National Read a Book Day

6 September · United States / informal reading observance recognized by public libraries

Wyoming State Library states that National Read a Book Day is celebrated each September 6; a New Jersey public library independently lists the observance on September 6, 2026.

National Receptionists Day

Second Wednesday in May (13 May in 2026) · United States / workplace appreciation observance

New York Senate Resolution J5006 describes National Receptionists Day as the second Wednesday in May and records its 1991 creation by the Director of the National Receptionists Association.

National Recommit to Your Fitness Day

5 April · United States / F45 Training-created fitness campaign

F45 Training announced National Recommit to Your Fitness Day as a new annual initiative set to be observed every year on April 5 (4/5), a date selected as a reference to the F45 name.

National Reconciliation Day

2 April · United States / informal relationship-repair observance

National Today and Days Of The Year independently place National Reconciliation Day on April 2 each year.

National Relationship Equity Day

24 June · United States / Improvement University-created relationship-awareness observance

Improvement University identifies its founder as the founder of National Relationship Equity Day and states that the awareness day is celebrated June 24 every year.

National Renewable Energy Day

21 March · United States / renewable-energy awareness observance recognized in U.S. Department of Energy communications

The U.S. Department of Energy published a National Renewable Energy Day article on March 21, 2023, and its Better Plants calendar also places National Renewable Energy Day on March 21.

National Report General Service Administration (GSA) Fraud Day

6 March · United States / Hesch Firm fraud-reporting awareness campaign

A Hesch Firm-issued PRWeb release states the observance is celebrated March 6 each year and identifies founder Joel D. Hesch.

National Report Government Contractor Fraud Day

8 May · United States / Hesch Firm fraud-reporting awareness campaign

A Hesch Firm-issued PRWeb release states the day is celebrated May 8 and says Joel D. Hesch formed the observance in 2018.

National Report Home Health Care Fraud Day

6 November · United States / creator-defined fraud-reporting awareness observance

National Day Archives records November 6 as the observance date and identifies The Hesch Firm, LLC as its 2017 creator.

National Report IRS Tax Fraud Day

10 April · United States / Joel Hesch-created tax-fraud reporting awareness observance

National Day Archives records April 10 each year for National Report IRS Tax Fraud Day and identifies former DOJ attorney Joel Hesch as the creator.

National Report Kickback Fraud Day

18 September · United States / informal anti-fraud awareness campaign

Current observance material identifies September 18 and attributes the awareness day to attorney and former federal prosecutor Joel D. Hesch.

National Report Long Term Acute Care Hospital Fraud Day

2 October · United States / Hesch Firm fraud-reporting awareness campaign

National Day Archives records October 2 and identifies The Hesch Firm as creator of this 2017 fraud-awareness observance.

National Report Medicare Fraud Day

12 September · United States / Hesch Firm-created anti-fraud awareness observance recognized in FBI public outreach

FBI Phoenix explicitly recognized National Report Medicare Fraud Day on September 12, while observance records attribute the campaign to former DOJ attorney Joel Hesch and the Hesch Firm.

National Report Military Fraud Day

2 July · United States / Hesch Firm fraud-reporting awareness campaign

A Hesch Firm-issued PRWeb release states National Report Military Fraud Day is celebrated July 2 and identifies Joel D. Hesch as founder.

National Report Pharmaceutical Fraud Day

23 January · United States / Joel Hesch and Hesch Firm-created pharmaceutical-fraud awareness campaign

A creator-provided Hesch Firm release identifies January 23 as National Report Pharmaceutical Fraud Day and says Joel D. Hesch formed the observance, with the campaign beginning in 2017.

National Report Trade Agreement Act (TAA) Fraud Day

26 June · United States / Hesch Firm fraud-reporting awareness campaign

A Hesch Firm-issued PRWeb release states the TAA fraud-awareness day is celebrated June 26 and says Joel D. Hesch formed it in 2018.

National Report Upcoding Fraud Day

21 August · United States / Hesch Firm fraud-reporting awareness campaign

National Day Archives records August 21 and identifies The Hesch Firm / Joel D. Hesch as the creator of the 2017 upcoding-fraud awareness day.

National Rescue Dog Day

20 May · United States-origin / creator-led rescue-dog awareness observance

The National Rescue Dog Day site states that the observance is held annually on May 20 and was founded in 2018 by Lisa Wiehebrink/Tails That Teach.

National Respect Day

18 September · United States / respect-in-relationships and violence-prevention awareness campaign associated with Futures Without Violence and Macy’s

A 2024 local-news explainer attributes National Respect Day to the Futures Without Violence–Macy’s partnership; independent observance documentation records 18 September annually from 2009…

National Retro Video Game Day

8 March · United States / Hyperkin-origin retro-gaming observance

Trademark records connect Hyperkin, Inc. with the NATIONAL RETRO VIDEO GAME DAY mark filed in 2016, while observance references consistently place the day on March 8.

National Rhode Island Day

5 October · United States / National Day Calendar National State Days series — Rhode Island

National Day Calendar lists National Rhode Island Day on 5 October. The U.S. Senate records Rhode Island’s admission/statehood date as 29 May 1790. These are separate facts: the calendar li…

National Rhubarb Vodka Day

First Saturday in December · United States / informal alcohol-related food-and-drink observance

Days Of The Year and Checkiday independently define National Rhubarb Vodka Day as the first Saturday in December; the rule is retained rather than hard-coding a single year’s date.

National Ride The Wind Day

23 August · United States / informal aviation-history and recreation observance

National Day Calendar and National Today independently place National Ride The Wind Day on August 23 each year.

National Ride Your Horse to a Bar Day

2 April · United States / informal novelty observance

National Day Archives places National Ride Your Horse to a Bar Day on April 2 and identifies a 2021 creator registration, while ABC6 independently reported participation in the observance o…

National River Cleanup®

Year-round; local cleanup organizers choose and register their own event dates · United States / American Rivers National River Cleanup® program

American Rivers operates National River Cleanup® as a network of cleanup events held throughout the year; organizers register an event date, so there is no single universal recurring Nation…

National Root Beer Float Day

6 August · United States / informal food observance repeatedly celebrated by A&W

A&W’s first-party company history states that every August 6 the brand celebrates National Root Beer Float Day, and A&W’s dedicated observance materials likewise use August 6.

National Rotate Your Beer Day

1 May · United States / informal beer-retail observance

National Day Archives records National Rotate Your Beer Day on May 1 and attributes it to Superior Beverage Group, while Days Of The Year independently places it on May 1.

National Rotisserie Chicken Day

2 June · United States / Boston Market-created food observance

Boston Market announced the first National Rotisserie Chicken Day for June 2, 2015 and described it as a new annual observance; a later company release again celebrated the day on June 2.

National Rural Health Day

Third Thursday in November; 19 November 2026 · United States / National Organization of State Offices of Rural Health

NOSORH states that National Rural Health Day has been observed on the third Thursday of November since 2011.

National SAFER Workplace Day

Last Friday in June · United States / organizer-led workplace-safety observance

Schmersal/tec.nicum, the founder, states the day occurs on the last Friday of June and focuses on workplace and machine safety

National Safety Dose Day

15 May · United States / informal medication-safety awareness observance

National Today and EventGuide independently place National Safety Dose Day on May 15 every year.

National Salesperson Day

Second Friday in December · United States / salesperson appreciation observance

Mercy University’s career-development material states that National Salesperson Day is observed on the second Friday in December; current National Day Calendar material uses the same rule.

National Salmon Day

8 October · U.S. food-industry observance / salmon appreciation

Chicken of the Sea identifies October 8 as National Salmon Day and uses the occasion for salmon-focused education and recipes.

National SAN Architect Day

3 May · United States / KCI, Inc.-submitted professional recognition observance

National Day Calendar states that KCI, Inc. founded/submitted National SAN Architect Day and that the Registrar proclaimed it to be observed annually on May 3.

National Sandwich Day

3 November · United States/Canada / informal food observance with repeated first-party sandwich-brand usage

Subway repeatedly identifies November 3 as National Sandwich Day in first-party releases from multiple years and markets.

National Save the Eagles Day

10 January · United States / informal eagle-conservation awareness observance

The U.S. Fish & Wildlife Service National Conservation Training Center states that January 10 is designated National Save the Eagles Day.

National Save Your Hearing Day

31 May · United States / hearing-loss prevention awareness observance

CDC/NIOSH explicitly identifies May 31 as National Save Your Hearing Day; longstanding professional materials also use the May 31 observance.

National Savings Day

12 October · United States / Capital One-created savings-awareness observance

Capital One states that its National Savings Day is celebrated yearly on October 12 and that Capital One founded the day.

National School Picture Day

Second Thursday of September (10 September in 2026) · United States / Lifetouch-created school-photography observance

Lifetouch states that it declared National School Picture Day in 2019 and set it for the second Thursday in September each year.

National Screenwriters Day

5 January · United States / ScreenwritingU creator-defined recognition day

ScreenwritingU announced National Screenwriters Day for January 5 and identifies itself as the creator; current observance registry material retains the January 5 date.

National Seat Belt Day

14 November · United States / road-safety awareness observance launched in 2019 by GHSA with Volvo and Uber

Wisconsin DOT states that National Seat Belt Day was created in 2019 by the Governors Highway Safety Association and is recognized each year on November 14; National Day Calendar’s proclama…

National Seat Check Saturday

26 September 2026 · United States / NHTSA child-passenger-safety campaign

NHTSA's Traffic Safety Marketing portal lists National Seat Check Saturday as September 26, 2026 and publishes different dates for 2027-2029, so target-year refresh is required.

National Self Awareness Day

28 September · United States / informal self-awareness observance

National Today gives National Self Awareness Day an every-September-28 recurrence, and EventGuide independently lists it every September 28.

National Send a Card to a Friend Day

7 February · United States / informal friendship observance

National Day Calendar and National Today independently place National Send a Card to a Friend Day on February 7 each year.

National Senior Fraud Awareness Day

15 May 2024 (U.S. Senate resolution) · United States / federal legislative designation for 2024

The U.S. Senate agreed to S.Res. 690 supporting designation of May 15, 2024 as National Senior Fraud Awareness Day; this is edition-specific legislative recognition, not evidence of a perma…

National Senior Health & Fitness Day®

Last Wednesday in May; 27 May 2026; 2026 also has a fall event on last Wednesday in October · United States / Mature Market Resource Center organizer-led health promotion event

The official FitnessDay site says National Senior Health & Fitness Day has traditionally been held on the last Wednesday in May; in 2026 it adds a second fall event on the last Wednesday in…

National Sewing Machine Day

13 June · United States / informal sewing-themed observance

National Day Archives lists National Sewing Machine Day on June 13 and explicitly says the creator is unknown.

National Share the Warmth Day

Third Tuesday of October · United States / One Warm Coat awareness and action campaign

One Warm Coat states that National Share the Warmth Day is celebrated annually on the third Tuesday of October; its 2026 campaign page resolves that rule to October 20, 2026.

National Shoe Donation Day

15 August · United States / DSW, DSW Foundation and Soles4Souls shoe-donation campaign

DSW/Designer Brands and Soles4Souls identify August 15 as National Shoe Donation Day; the first named observance was in 2025 and current partners continue to use the date.

National Short Film Day

28 December · United States / Film Movement-founded informal cinema observance registered through National Day Calendar

National Day Calendar’s proclamation record identifies Film Movement as the 2019 founder and establishes December 28 as the annual date, chosen to echo the Lumière public film screening ann…

National Shower with a Friend Day

5 February · United States / informal water-conservation-marketing observance

Dictionary.com documents the observance and its New Wave Enviro origin on February 5, while National Day Calendar independently lists it on February 5.

National Siamese Cat Day

6 April · United States / Jace Shoemaker-Galloway-created cat adoption-awareness observance

Jace Shoemaker-Galloway’s own holiday list places National Siamese Cat Day on April 6, and UPI reports that she declared the first annual observance in 2014.

National Siblings Day

10 April annually · United States / Siblings Day Foundation recognition campaign

The Siblings Day Foundation states that its mission since 1995 has included establishing National Siblings Day annually on 10 April.

National Signing Day

College-football signing windows vary by cycle; LSU’s 2026 page lists the traditional signing period beginning 4 February 2026 · U.S. college football recruiting and athlete-signing context

LSU Athletics maintains an official 2026 National Signing Day page and lists the traditional signing period beginning Wednesday, 4 February 2026, alongside the earlier December 2025 signing…

National Sing Out Day

22 March · United States / informal singing observance

Holidays & Observances and EventGuide independently place National Sing Out Day on March 22.

National Single Parent Day, 1984

21 March 1984 · United States / one-time federal designation

Public Law 98-240 and Presidential Proclamation 5166 designated March 21, 1984 as National Single Parent Day.

National Sisters Day

First Sunday in August · United States / informal family-appreciation observance

National Day Calendar identifies the first Sunday in August as the annual date and attributes creation in 1996 to Tricia Eleogram; New Jersey workforce-engagement material independently use…

National Situational Awareness Day

26 September · United States / Pretty Loaded-origin personal-safety awareness campaign

Pretty Loaded states it submitted the observance in 2015 and that National Situational Awareness Day is celebrated every year on September 26.

National SKAM Artist Day

24 August · United States / SKAM Artist-created entertainment observance

National Day Archives records August 24 as National SKAM Artist Day and identifies SKAM Artist as the 2020 founder; current annual calendars preserve August 24.

National Skincare Education Day

1 June · United States / Higher Education Skincare founder-led awareness day

The day registry identifies June 1 annually and records Higher Education Skincare as the creator in 2020; current calendar coverage preserves the same recurring date.

National Small Business Day

10 May · United States / informal small-business appreciation observance, distinct from SBA National Small Business Week

Economic-development and calendar materials identify May 10 as National Small Business Day while separately recognizing the SBA’s National Small Business Week.

National Smoothie Day

21 June; current first-party brand source documents 21 June 2026 · U.S. smoothie-category promotion / current brand participation

Smoothie King’s 2026 press release explicitly identifies June 21 as National Smoothie Day and documents a current national campaign around the date.

National Snack Stick Day

23 September · United States / Klement’s-created snack-stick celebration

Klement’s company history states that it founded National Snack Stick Day in 2016 and ties the celebration to September 23.

National Snuggle a Chicken Day

8 January · United States / informal animal-appreciation observance

National Day Archives identifies January 8 and credits Tracey Glover with the 2019 observance, while National Today independently lists the day on January 8.

National Soccer Day

28 July · United States / informal sports observance

National Day Archives lists National Soccer Day on July 28; the record is retained at registry/date level because the page does not establish a statutory designation or creator.

National Sour Candy Day

18 July · United States / American Licorice Company and Sour Punch-created candy observance

American Licorice/Sour Punch materials celebrate National Sour Candy Day on July 18, and National Day Calendar identifies American Licorice Company as the 2015 founder.

National South Carolina Day

31 August · United States / National Day Calendar National State Days series — South Carolina

National Day Calendar lists National South Carolina Day on 31 August. The U.S. Senate records South Carolina’s admission/statehood date as 23 May 1788. These are separate facts: the calenda…

National South Dakota Day

26 April · United States / National Day Calendar National State Days series — South Dakota

National Day Calendar lists National South Dakota Day on 26 April. The U.S. Senate records South Dakota’s admission/statehood date as 2 November 1889. These are separate facts: the calendar…

National Spaghetti Day

4 January · United States / informal food observance with U.S. pasta-industry association corroboration

The National Pasta Association’s Share the Pasta consumer program identifies January 4 as National Spaghetti Day.

National Speak in Complete Sentences Day

31 May · United States / informal language observance

National Day Calendar and National Today independently place National Speak in Complete Sentences Day on May 31 each year.

National Speak Up for Victims of Sexual Abuse Day

18 October · United States / creator-registered awareness observance

National Day Archives lists National Speak Up for Victims of Sexual Abuse Day on 18 October and records its 2021 registration on behalf of Jack Nunnery. The source supports the creator-regi…

National Specially-Abled Pets Day

3 May · United States-origin / creator-led disabled-pet awareness observance

National Day Calendar records May 3 as National Specially-Abled Pets Day and attributes its founding to animal advocate Colleen Paige; archived creator material is also referenced by indepe…

National Speech and Debate Education Day

6 March 2026 · United States / 119th Congress Senate designation for 2026

U.S. Senate Resolution 626 was agreed to and designates 6 March 2026 as National Speech and Debate Education Day.

National Spicy Hermit Cookie Day

15 November · United States / informal food observance

National Today and Days Of The Year independently place National Spicy Hermit Cookie Day on November 15 each year.

National Sportsmanship Day

First Tuesday of March (3 March in 2026) · United States / Institute for International Sport sportsmanship initiative

Institute for International Sport materials and congressional records identify the program as an annual observance launched in 1991; historical administrator materials specify the first Tue…

National Spouse Day

26 January · United States / informal spouse-appreciation observance

National Today gives National Spouse Day a fixed January 26 recurrence, while Always the Holidays independently says National Spouses Day falls annually on January 26.

National Start Seeing Monarchs Day

First Saturday of May · United States / monarch-butterfly awareness observance

The City of Hoboken recognized 2 May 2026 as National Start Seeing Monarchs Day, while the current observance registry gives the reusable rule as the first Saturday of May.

National State Fair Food Day

11 July · United States / Food Service Direct-created informal culinary observance

Calendar sources attribute the launch of National State Fair Food Day to Food Service Direct in 2022 and place the observance on July 11.

National Steakburger Day

24 February · United States / Freddy’s Frozen Custard & Steakburgers-created food observance

Freddy’s official materials identify February 24 as National Steakburger Day and describe the brand’s annual celebration.

National Stepfamily Day

16 September · United States / family-awareness observance founded by Christy Tusing-Borgeld

The U.S. Census Bureau identifies September 16 as Stepfamily Day and traces the observance to Christy Tusing-Borgeld in 1997.

National Stewart’s Root Beer Day

17 June · United States / informal branded-root-beer observance

National Today gives National Stewart’s Root Beer Day a fixed June 17 recurrence, and EventGuide independently lists it as an every-June-17 observance.

National Stop Bullying Day

Second Wednesday of October (14 October in 2026) · United States / student-origin bullying-prevention observance

National Day Calendar and school-safety resources trace the observance to a 2009 student initiative and place Stop Bullying Day on the second Wednesday of October.

National Stop Nausea Day

Third Tuesday in May · United States / Reliefband-created nausea-awareness observance

Reliefband Technologies states that it created National Stop Nausea Day and that it is celebrated on the third Tuesday in May each year.

National Strawberry Rhubarb Wine Day

Third Saturday in July · United States / informal wine observance

National Today and Awareness Days independently define National Strawberry Rhubarb Wine Day as the third Saturday in July and associate it with Maple River Winery.

National Strawberry Shortcake Day

14 June · United States / informal food observance with berry-brand release corroboration

A Driscoll’s-linked 2013 release identifies June 14 as National Strawberry Shortcake Day; current calendar sources continue using June 14.

National String Cheese Day

20 September · United States / Galbani Cheese-founded informal food observance registered through National Day Calendar

National Day Calendar’s proclamation record identifies Galbani Cheese as the 2017 founder and establishes September 20 as the annual observance date.

National Student Nurses Day

8 May · United States / student nursing recognition

The American Nurses Association states that in 1997 its Board, at the request of the National Student Nurses Association, designated May 8 as National Student Nurses Day.

National Student Volunteer Day

20 February · United States / informal student-volunteering observance

National Today and Days Of The Year independently place National Student Volunteer Day on February 20 each year.

National Student-Athlete Day

6 April; NCAA materials recognize the observance on that date · U.S. student-athlete recognition / NCAA participation

The NCAA marks National Student-Athlete Day on April 6 and uses the observance to recognize student-athlete accomplishments in academics, well-being and community service.

National Supply Chain Day®

29 April · United States / Supply Chain Now-led industry celebration

Supply Chain Now’s official National Supply Chain Day page states that the celebration takes place every April 29 and identifies Mary Kate Love as founder; current 2026 programming confirms…

National Support Public Education Day

30 July · United States / creator-led public-education appreciation observance

National Day Calendar identifies July 30 as an annual observance and attributes its creation to Chris Janotta, founder of SOS Million Teacher March.

National Support Your Local Chamber of Commerce Day

Third Wednesday in October (21 October in 2026) · United States / chamber-of-commerce recognition day

The U.S. Chamber of Commerce states that National Support Your Local Chamber of Commerce Day is celebrated each year on the third Wednesday in October.

National Surgical Oncologist Day

22 August · United States / professional-appreciation observance founded in 2019 by Jenni Cherlin and Lean On Me Breast Cancer Network

National Day Calendar’s proclamation record identifies the founders and establishes August 22 as the annual observance date; the Society of Surgical Oncology has also recognized the day.

National Tackle Kids Cancer Day

15 September · United States / Tackle Kids Cancer and Hackensack University Medical Center Foundation recognition

National Day Calendar records September 15 as the annual observance, beginning in 2017, and identifies Hackensack University Medical Center Foundation as the founder.

National Take a Poet to Lunch Day

6 January · United States / informal poetry-and-social observance

National Today and Days Of The Year independently place National Take a Poet to Lunch Day on January 6; Days Of The Year also attributes its origin to poet Arnold Adoff.

National Take Down the Christmas Tree Day

6 January · United States / informal seasonal observance

National Today places the observance on January 6 annually, and the American Red Cross Utah region independently referenced January 6, 2026 as Take Down the Christmas Tree Day in a safety c…

National Take the Stairs Day

Second Wednesday in January · United States / lung-health and activity awareness

The American Lung Association describes National Take the Stairs Day as an annual observance on the second Wednesday of January.

National Take Your Cat to the Vet Day

22 August · United States / feline veterinary-care awareness campaign

American Association of Feline Practitioners material identifies National Take Your Cat to the Vet Day on August 22 and provides campaign resources for veterinary practices.

National Take Your Parents to Lunch Day

Second Wednesday in October · United States / school-lunch family engagement observance promoted by KIWI Magazine

National Day Calendar states that the observance is promoted annually by KIWI Magazine and occurs on the second Wednesday in October.

National Take Your Parents to the Playground Day

Third Sunday in May · United States / PDPlay-created family/outdoor-play observance

PDPlay currently promotes the observance on the third Sunday in May, and National Day Calendar records the current recurrence while documenting PDPlay’s original 2009 creation.

National Talk in an Elevator Day

Last Friday in July · United States / informal social observance

National Day Calendar and elevator-industry company TK Elevator independently define the recurrence as the last Friday in July rather than a fixed month/day.

National Tampon Day

12 May · United States / TOP (The Organic Project) creator-defined period-awareness observance

National Day Archives records May 12 and identifies TOP, The Organic Project, as the 2020 founder of National Tampon Day.

National Tap Dance Day — 1989 federal designation

25 May; federal law specifically designated 25 May 1989 · United States / historical federal designation and cultural observance

Public Law 101-143 designated May 25, 1989 as National Tap Dance Day. The authority record keeps that statutory one-year designation distinct from later recurring cultural usage.

National Tarantula Appreciation Day

8 August · United States / Palp Friction Tarantulas-created animal appreciation observance

National Day Archives records August 8 each year for National Tarantula Appreciation Day and identifies Palp Friction Tarantulas as the creator in 2019.

National Tartar Sauce Day

First Friday of Lent (20 February in 2026) · United States / Frisch’s Big Boy-created food observance tied to the first Friday of Western Christian Lent

Frisch’s launch material designated the first Friday of Lent as National Tartar Sauce Day, making the Gregorian date move with Ash Wednesday/Lent.

National Teacher Day

Tuesday of Teacher Appreciation Week; 5 May 2026 · United States / NEA educator-recognition observance

The National Education Association identifies National Teacher Day on the Tuesday of Teacher Appreciation Week and its 2026 materials place it on 5 May.

National Teenager Day

21 March · United States / informal teenager-appreciation observance

National Today explicitly defines National Teenager Day as every March 21, and Bombay Times independently lists National Teenager Day on March 21 in its 2026 observance calendar.

National Television Heritage Day

1 July · United States / informal television-history observance

National Today and WikiDates independently place National Television Heritage Day on July 1 annually.

National Tell a Joke Day

16 August · United States / informal humor observance

National Day Archives states that August 16 is National Tell a Joke Day.

National Tell a Story Day

27 April · United States / informal storytelling observance

Independent observance calendars identify April 27 as the U.S. date of National Tell a Story Day.

National Tennessee Day

26 October · United States / National Day Calendar National State Days series — Tennessee

National Day Calendar lists National Tennessee Day on 26 October. The U.S. Senate records Tennessee’s admission/statehood date as 1 June 1796. These are separate facts: the calendar listing…

National Tennis Pro Day

17 February · United States / informal registered tennis-professional appreciation observance

National Day Archives gives February 17 and identifies Maria Oddy as the creator in 2020, with the inaugural observance described for 2021.

National Testosterone Awareness Day

17 November · United States / testosterone-health awareness observance

National Today places National Testosterone Awareness Day on November 17 annually, while Marius Pharmaceuticals’ 2024 release independently anchored a nonprofit launch to National Testoster…

National Thank a Mail Carrier Day

4 February · United States / informal mail-carrier appreciation observance

National Day Calendar repeatedly places the appreciation observance on February 4 while noting it is also known as Thank a Mailman Day; the current evidence does not establish USPS or feder…

National Thermal Engineer Day

24 July annually · United States / Advanced Thermal Solutions industry observance

Advanced Thermal Solutions identifies July 24 as National Thermal Engineer Day and is the sponsoring organization behind the observance.

National Third Shift Workers Day

Second Wednesday in May · United States / third-shift worker appreciation observance

UFCW materials identify National Third Shift Workers Day on the second Wednesday in May, with dated examples consistent with the recurrence rule.

National Tile Repair Day

13 July · United States / informal home-maintenance observance

National Today and InMyCity Today independently place National Tile Repair Day on July 13.

National Tootsie Roll Day

23 February · United States / informal candy observance

National Today gives National Tootsie Roll Day a fixed February 23 recurrence, and National Day Calendar independently identifies National Tootsie Roll Day on February 23.

National Tourist Appreciation Day

6 May · United States / informal tourism-appreciation observance

National Today and Days Of The Year independently place National Tourist Appreciation Day on May 6 each year.

National Transfer Money to Your Son Day

13 October · United States / informal family-and-money observance

National Today and Awareness Days independently place National Transfer Money to Your Son Day on October 13.

National Transgender Children Day

26 October · United States / Jill Aul-created family recognition observance

National Day Archives records October 26 and Jill Aul as the 2019 founder.

National Transplant Financial Coordinator Day

10 April · United States / transplant financial coordinator professional recognition

National Day Archives attributes creation of the observance to the Transplant Financial Coordinators Association board and ties 10 April to the association’s 2001 agreement date; a separate…

National Travel Insurance Claims Day

14 May · United States / travel-insurance industry recognition observance

The U.S. Travel Insurance Association observes National Travel Insurance Claims Day on May 14, while Aon Affinity Travel states that its travel practice started the day in 2019.

National Treat Your Pet Day

30 October · United States / Dr. Marty Pets-created pet appreciation observance

Dr. Marty Pets announced the inaugural National Treat Your Pet Day for October 30, 2021 as a new annual holiday; registry/current sources retain October 30.

National Trivia Day

4 January · United States / informal trivia observance

Timeanddate lists Trivia Day / National Trivia Day on January 4 consistently across future years.

National Trombone Players Day

1 April · United States / informal music observance

PBS Arizona acknowledges National Trombone Players Day on April 1, and AnydayGuide independently places the observance annually on April 1.

National Underdog Day

Third Friday in December · United States / informal recognition observance

Current observance references place National Underdog Day on the third Friday in December and attribute its creation to Peter Moeller.

National Upcycling Day

24 June · United States / informal sustainability observance, with current activity in the upcycled-food movement

The Upcycled Food Association states that Upcycling Day is celebrated annually on June 24; the U.S. Environmental Protection Agency independently promoted a June 24 webinar in honor of Nati…

National Urban Ballroom Dancing Day

Second Saturday in March · United States / informal ballroom-dance observance

National Today and Days Of The Year independently define National Urban Ballroom Dancing Day as the second Saturday in March.

National Use Your Gift Card Day

Third Saturday of January · United States / consumer gift-card reminder campaign

The campaign site states that National Use Your Gift Card Day is held on the third Saturday of every January; its 2026 page identifies Saturday, 17 January 2026.

National Utah Day

31 May · United States / National Day Calendar National State Days series — Utah

National Day Calendar lists National Utah Day on 31 May. The U.S. Senate records Utah’s admission/statehood date as 4 January 1896. These are separate facts: the calendar listing is an info…

National Valentine Shopping Reminder Day

6 February · United States / informal shopping reminder observance

National Today and List of National Days independently place National Valentine Shopping Reminder Day on February 6.

National Vegan Lipstick Day

28 February · United States / CakeLipps-created beauty observance

National Day Archives records February 28 as National Vegan Lipstick Day and identifies CakeLipps as the 2020 founder; the date commemorates the founders’ grandmother’s birthday.

National Veggie Burger Day

5 June · United States / Amy’s Kitchen-created veggie-burger observance

National Day Calendar identifies Amy’s Kitchen as the founder and states that its registrar declared National Veggie Burger Day to be observed annually on June 5.

National Vermont Day

12 October · United States / National Day Calendar National State Days series — Vermont

National Day Calendar lists National Vermont Day on 12 October. The U.S. Senate records Vermont’s admission/statehood date as 4 March 1791. These are separate facts: the calendar listing is…

National Vet Girls ROCK Day

19 February · United States / women-veteran recognition observance created by Vet Girls Rock

National Day Calendar’s proclamation record identifies February 19 and attributes the 2019 observance to Vet Girls Rock, an initiative under Active Veterans With Answers.

National Veterans BBQ Day

16 October · United States / Smoke & Bacon Media veteran-community observance

National Day Archives records the observance as created by Smoke & Bacon Media LLC in 2021; current awareness references place it annually on October 16.

National Vietnam War Veterans Day

29 March annually · United States / national veterans commemoration

The U.S. Department of Veterans Affairs identifies March 29 as National Vietnam War Veterans Day and describes the national commemoration of Vietnam veterans and their families.

National Virginia Day

14 September · United States / National Day Calendar National State Days series — Virginia

National Day Calendar lists National Virginia Day on 14 September. The U.S. Senate records Virginia’s admission/statehood date as 25 June 1788. These are separate facts: the calendar listin…

National Vision Board Day

Second Saturday of January · United States / informal goal-setting observance referenced by Pennsylvania’s Office of Developmental Programs

Pennsylvania’s MyODP communication resource identifies National Vision Board Day as occurring annually on the second Saturday of January and lists 10 January for 2026.

National Visit Your Relatives Day

18 May · United States / informal family-connection observance

National Day Calendar and National Today independently place National Visit Your Relatives Day on May 18; Days Of The Year also lists it on May 18.

National Waffle Day

24 August · United States / informal observance tied to the August 24, 1869 U.S. waffle-iron patent anniversary

Smithsonian sources identify August 24 as National Waffle Day and connect the date with Cornelius Swarthout’s 1869 U.S. waffle-iron patent.

National Waffle Iron Day

29 June · United States / informal food-and-kitchen observance

Independent observance calendars identify June 29 as National Waffle Iron Day.

National Wagyu Day

21 June · United States / Steve Haddadin-created food observance with broader promotional participation

Founder Steve Haddadin’s official National Wagyu Day site gives June 21 as the date and identifies him as founder; National Day Calendar states the observance is celebrated each year on Jun…

National Waiters and Waitresses Day

21 May · United States / hospitality-industry appreciation observance

Bar & Restaurant identifies May 21 as National Waiters and Waitresses Day in a dedicated 2014 article and in multiple hospitality promotional calendars.

National Waitstaff Day

21 May · United States / waitstaff appreciation observance

The U.S. Census Bureau has published National Waitstaff Day material for May 21, providing federal institutional recognition of the date.

National Walk & Roll to School Day

7 October 2026; participating schools may celebrate another day in October · United States / national Safe Routes to School campaign

The official Walk & Bike to School campaign identifies National Walk & Roll to School Day on 7 October 2026 and says communities may celebrate on another day in October if needed.

National Walk Around Things Day

4 April · United States / informal lifestyle and humor observance

National Day Calendar and National Today independently place National Walk Around Things Day on April 4 each year.

National Walk Your Dog Day

22 February · United States / dog-walking awareness observance

Texas Parks and Wildlife explicitly marked February 22 as National Walk Your Dog Day, and the Animal Medical Center’s 2026 awareness calendar corroborates the February 22 dog-walking observ…

National Washington Day

10 May · United States / National Day Calendar National State Days series — Washington

National Day Calendar lists National Washington Day on 10 May. The U.S. Senate records Washington’s admission/statehood date as 11 November 1889. These are separate facts: the calendar list…

National Watermelon Day

3 August · United States / watermelon-promotion observance recognized by the National Watermelon Promotion Board

National Watermelon Promotion Board materials identify August 3 as National Watermelon Day and use it in consumer promotion planning.

National Wear Red Day®

6 February 2026 edition verified · United States / NHLBI The Heart Truth campaign

The National Heart, Lung, and Blood Institute identifies Friday, February 6 as National Wear Red Day in its current American Heart Month campaign materials.

National Wear Your Pearls Day

15 December · United States / motivational observance founded by DeAnna Heard

National Day Calendar states that DeAnna Heard founded the observance, that its registrar approved it in 2015, and that it is observed on 15 December.

National Weatherperson’s Day

5 February annually · U.S. weather-service professional recognition; canonical “Weatherman’s Day” is a legacy naming variant

NOAA/National Weather Service pages identify 5 February as National Weatherperson’s Day (and legacy National Weatherman’s Day), commemorating John Jeffries and recognizing weather, water an…

National Weed Your Garden Day

13 June · United States / informal gardening observance

Independent observance calendars place National Weed Your Garden Day on June 13 and treat the date as annual.

National Whiners Day

26 December · United States / informal humor observance created by Kevin Zaborney

A 1995 Washington Post/Newsday report identifies December 26 and quotes creator Kevin C. Zaborney about the 1986 origin; modern calendar material retains the same date.

National White Wine Day

4 August · United States / informal wine appreciation observance

Wine Folly and winery event calendars consistently identify August 4 as National White Wine Day.

National Wildlife Day

4 September · United States / creator-led wildlife awareness observance

Creator Colleen Paige’s official site lists National Wildlife Day on September 4 among the observances she founded/maintains.

National Wine and Cheese Day

25 July · United States / informal wine-and-food appreciation observance

Winery event calendars consistently mark National Wine and Cheese Day on July 25; one explicitly describes it as unofficial.

National Winston Churchill Day

9 April 1963 historical anchor; current informal anniversary use should not be treated as a federal holiday · United States / informal remembrance anchored to Winston Churchill receiving honorary U.S. citizenship on 9 April 1963

John F. Kennedy Presidential Library records document the April 9, 1963 honorary citizenship ceremony and proclamation. The modern “National Winston Churchill Day” label is an informal anni…

National Winter Skin Relief Day

8 January · United States / CeraVe-created winter skin awareness observance

Valeant Consumer Healthcare, then maker of CeraVe, announced the observance for January 8 in 2017; National Day Calendar records CeraVe as founder and January 8 as the annual date.

National Wisconsin Day

15 February · United States / National Day Calendar National State Days series — Wisconsin

National Day Calendar lists National Wisconsin Day on 15 February. The U.S. Senate records Wisconsin’s admission/statehood date as 29 May 1848. These are separate facts: the calendar listin…

National Women and Girls HIV/AIDS Awareness Day

10 March annually; 10 March 2026 edition verified · United States / women and girls HIV awareness

HIV.gov identifies March 10 as National Women and Girls HIV/AIDS Awareness Day and documents the 2026 observance as a day to recognize HIV/AIDS impact on women and girls and highlight preve…

National Women in Aerospace Day

20 May; congressional recognition effort documented for 2025–2026 · United States / congressional recognition context

H. Res. 941 was introduced to recognize May 20 as National Women in Aerospace Day, and the Congressional Record documents a May 20, 2026 House recognition statement.

National Women Physicians Day

3 February 2026 edition verified · United States / American Medical Women’s Association recognition campaign

The American Medical Women’s Association marked National Women Physicians Day on February 3, 2026 and connects the date with the birthday of physician Elizabeth Blackwell.

National Women Support Women Day

1 December · United States / Amy O’Donnell-created women-support observance

National Day Archives records December 1 and Amy O’Donnell as the creator in 2018.

National Women Touched by Addiction Day

23 July · United States / Mending Hearts awareness movement

Mending Hearts states that it created National Women Touched by Addiction Day and that the movement takes place every July 23.

National Women’s Check-Up Day

15 May 2006 (documented fourth annual edition) · United States / historical HHS Office on Women’s Health program

An HHS Office on Women’s Health report states that OWH developed National Women’s Check-Up Day in 2003 and held the fourth annual edition on May 15, 2006, the day after Mother’s Day.

National Women’s Checkup Day

Second Monday in May; 11 May 2026 in current New York legislative recognition · U.S. women’s preventive-health awareness; historical federal health-campaign usage and current state recognition

A 2026 New York Senate resolution identifies National Women’s Checkup Day as held annually on the second Monday in May and recognizes May 11, 2026 in conjunction with the observance.

National Women’s Fly Fishing Day

27 June · United States / women’s fly-fishing participation observance recognized by public-land programming

National Park Service programming identifies June 27, 2026 as National Women’s Fly Fishing Day; observance references attribute the June 27 annual date to the fly-fishing community initiati…

National Women’s Health & Fitness Day

Last Wednesday in September; 30 September 2026 · United States / Health Information Resource Center organizer-led event

The official FitnessDay site states that National Women’s Health & Fitness Day is always held on the last Wednesday in September and is organized by the Health Information Resource Center.

National Work From Home Day

Last Thursday in June · United States / informal remote-work observance

Current calendar references consistently place National Work From Home Day on the last Thursday in June; the available evidence supports the recurrence, not a statutory holiday or a securel…

National Work From Home for Wellness Day

16 August · United States / NexRep-created work-from-home wellness campaign

NexRep states that National Work from Home for Wellness Day is celebrated annually on August 16 and that NexRep established it.

National Workaholics Day

5 July · United States / informal work-life-balance observance

National Day Calendar and National Today independently place National Workaholics Day on July 5 each year.

National Workers’ Comp Adjuster Day

17 August · United States / Centre for Neuro Skills-created professional appreciation observance

National Day Archives records August 17 of each calendar year and identifies the Centre for Neuro Skills as the creator in July 2021.

National Working Moms Day

12 March · United States / informal working-mothers recognition observance with current presidential usage

National Day Archives places National Working Moms Day on March 12, and 2026 presidential remarks published by GovInfo explicitly celebrate National Working Moms Day.

National Working Parents Day

16 September · United States / informal working-parents appreciation observance

National Day Archives places National Working Parents Day on September 16.

National Write to Congress Day

3 January · United States / informal civic-engagement observance

National Today places National Write to Congress Day on January 3 annually, and EventGuide independently lists it every January 3.

National Write Your Story Day

14 March · United States / Mitzy-created writing observance registered with National Day Calendar

National Day Calendar states that Mitzy founded the observance in 2017 and that the registrar proclaimed annual observance beginning March 14, 2018.

National Wyoming Day

24 May · United States / National Day Calendar National State Days series — Wyoming

National Day Calendar lists National Wyoming Day on 24 May. The U.S. Senate records Wyoming’s admission/statehood date as 10 July 1890. These are separate facts: the calendar listing is an…

National Yard Games Day

First day of summer (resolve target-year date) · United States / Tailgating Challenge-created outdoor-games observance

Tailgating Challenge states that it created National Yard Games Day and that it is celebrated annually on the first day of summer; the creator defines the seasonal trigger rather than a per…

National YogaFit Day

25 September · United States / YogaFit Worldwide-created yoga-community observance

YogaFit’s current official social presence celebrates National YogaFit Day on September 25, while National Day Archives identifies YogaFit Worldwide as the founder in 2019 and records Septe…

National Youth Confidence Day

20 October · United States / Confident Girl Mentoring Program initiative

Confident Girl Mentoring Program identifies itself as the founder of National Youth Confidence Day and gives October 20 as the date.

National Youth HIV and AIDS Awareness Day

10 April · United States

Native American Heritage Day

Friday immediately after Thanksgiving Day each year · United States / federal commemorative observance

Public Law 111-33 identifies the Friday immediately succeeding Thanksgiving Day of each year as the appropriate day for Native American Heritage Day, and current Senate recognition follows…

Native Women’s Equal Pay Day

19 November 2026 in Equal Pay Today’s current campaign calendar · United States / Equal Pay Today wage-equity campaign

Equal Pay Today’s official 2026 calendar lists Native Women’s Equal Pay Day on 19 November 2026.

Navy Reserve Birthday

3 March annually · United States / U.S. Navy Reserve institutional anniversary

The U.S. Navy Reserve identifies 3 March as the birthday of the Navy Reserve.

NBA All-Star Game

15 February 2026 · Los Angeles, California, United States

NBA’s official 2026 All-Star site lists the 75th NBA All-Star Game on 15 February in Los Angeles

NEA’s Read Across America Day

2 March 2026 · United States / National Education Association literacy program

The National Education Association published its 2026 Read Across America celebration on 2 March and describes Read Across America as its flagship literacy program with year-round activity.

Necrotizing Fasciitis Awareness Day

31 May · United States / awareness day repeatedly recognized by state proclamations

State government proclamations in multiple years designate May 31 as Necrotizing Fasciitis Awareness Day, supporting a recurring commemorative date while not making it a federal holiday.

New Beer’s Eve

6 April · United States / 1933 beer-legalization history and modern beer-culture observance

Boulevard Brewing documents New Beer’s Eve on 6 April as the eve of the 1933 return of legally saleable beer under the Cullen-Harrison Act; Library of Congress material independently anchor…

New Year’s Day

1 January; federal observed workday can shift when the date falls on a weekend · United States federal holiday

U.S. Office of Personnel Management / 5 U.S.C. 6103

No Homework Day

6 May · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists No Homework Day on May 6 and identifies the holiday collection as created by Thomas and Ruth Roy.

No Limits for Deaf Children Day

17 April in the organization's 25th-anniversary campaign; current annual continuation requires refresh · United States / No Limits for Deaf Children organization campaign

No Limits for Deaf Children used April 17 as 'National No Limits for deaf children Day' in its 25th-birthday campaign. The stored evidence is campaign-specific and does not by itself prove…

No One Eats Alone Day

Second Friday of February (13 February in 2026) · United States / Beyond Differences student-led inclusion program

Beyond Differences documents the program’s 2012 origin; its recent calendars and independent calendar records support the second-Friday-in-February recurrence, including February 13 in 2026.

No Pet Store Puppies Day

21 July · United States / ASPCA puppy-mill awareness campaign

ASPCA campaign materials consistently identify July 21 as No Pet Store Puppies Day.

No Socks Day

8 May · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists No Socks Day on May 8 and identifies the holiday collection as created by Thomas and Ruth Roy.

NY Dog Film Festival®

Organizer-scheduled touring dates; edition and city vary · United States / touring NY Dog Film Festival

The NY Dog Film Festival describes itself as an annual festival that premieres in New York City and tours to other cities, with dates published by edition.

Paraprofessional Appreciation Day

First Wednesday of April (1 April in 2026) · United States / education-community appreciation observance

Education-union and school-system sources identify Paraprofessional Appreciation Day as the first Wednesday in April; AFT marked the day in its April 2026 PSRP update.

Parents' Day

Fourth Sunday in July annually · United States / statutory national observance

36 U.S.C. §135 designates the fourth Sunday in July as Parents' Day and encourages recognition of parents' role in bringing up their children.

Particularly Preposterous Packaging Day

7 August · United States / creator-defined informal Wellcat observance

The Wellcat Holidays creator calendar lists Particularly Preposterous Packaging Day on August 7.

Peace Corps Day

1 March each year; agency materials also describe celebration on or near this date · United States / Peace Corps agency observance

Peace Corps materials state that Peace Corps Day is held every year on March 1 and commemorate the March 1, 1961 executive order that established the agency.

Peace Officers Memorial Day

15 May · United States

The White House’s 2026 proclamation states that law authorizes 15 May of each year as Peace Officers Memorial Day.

Pet Owner's Independence Day

18 April · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Pet Owner's Independence Day on April 18 and identifies the collection as created by Thomas and Ruth Roy.

Pet Theft Awareness Day

14 February · United States / animal-welfare awareness with roots in Last Chance for Animals

Animal-welfare records trace Pet Theft Awareness Day to Last Chance for Animals and February 14; current pet-care organizations continue to list the date.

Pick A Pathologist Pal Day

13 December · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Pick A Pathologist Pal Day on December 13 and identifies the collection as created by Thomas and Ruth Roy.

Pony Express first-ride anniversary

3 April anniversary of the first official ride in 1860 · U.S. historical communications and western-trail anniversary

The National Park Service documents the first official Pony Express delivery beginning on 3 April 1860 and ongoing annual re-enactment traditions.

Prayer for Peace, Memorial Day

Last Monday in May · United States / federal Memorial Day prayer proclamation framework

The Federal Register records the statutory proclamation framework for Prayer for Peace, Memorial Day and the annual Memorial Day observance; Memorial Day falls on the last Monday in May.

Pro-Life Day of Silent Solidarity

Organizer-announced October date; historically often the third Tuesday, but editions can move · United States / Students for Life / Stand True anti-abortion advocacy campaign

Students for Life event material publishes the Pro-Life Day of Silent Solidarity and its target-year date; historical organizer material notes a typical third-Tuesday-in-October pattern but…

Provider Appreciation Day®

8 May 2026; Friday before Mother’s Day · United States / Child Care Aware of America appreciation campaign

Child Care Aware of America identifies Provider Appreciation Day as the Friday before Mother’s Day and references the 8 May 2026 observance.

Provider Appreciation Day®

First Friday before Mother’s Day; 8 May 2026 · United States / Child Care Aware of America provider-recognition campaign

Child Care Aware of America states that Provider Appreciation Day is observed annually on the Friday before Mother’s Day; its 2026 toolkit gives 8 May 2026.

Public Radio Broadcasting Day

13 January · United States / informal radio-history observance

Capitol Technology University identifies January 13 as Public Radio Broadcasting Day and discusses the 1910 de Forest broadcast; National Today independently places the observance on Januar…

Public Risk Management Awareness Day

1 March · United States / public-sector risk-management professional awareness observance

Texas PRIMA states that Public Risk Management Awareness Day is observed every March 1 and credits the Port of Corpus Christi Authority with creating the day in 2019.

Public Television Day

7 April · United States / informal broadcasting-history appreciation observance

National Today places Public Television Day on April 7 annually, and EventGuide independently lists it every April 7.

Puppy Mill Awareness Day

Third Saturday of September (19 September in 2026) · United States-origin / animal-welfare awareness campaign

Last Chance for Animals states that Puppy Mill Awareness Day began in 2004 and is held annually on the third Saturday of September.

Purple Heart Day

7 August annually · United States / military remembrance observance

U.S. Army sources commemorate Purple Heart Day on 7 August and describe it as observed each year.

Quirky Country Music Song Titles Day

27 March · United States / creator-defined informal Wellcat observance

The Wellcat creator calendar lists Quirky Country Music Song Titles Day on March 27.

Reel Film Day

5 March · United States / film-format appreciation campaign created by Alamo Drafthouse and Kodak

Alamo Drafthouse and Kodak launched Reel Film Day in 2017 around 35mm film, using 3/5 as the date reference to 35mm.

Registered Dietitian Nutritionist Day

Second Wednesday in March annually · United States / Academy of Nutrition and Dietetics professional observance

The Academy of Nutrition and Dietetics states that Registered Dietitian Nutritionist Day is celebrated on the second Wednesday in March during National Nutrition Month.

Religious Freedom Day

16 January 2026 · United States / presidential proclamation observance

The White House proclaimed 16 January 2026 as Religious Freedom Day. The current proclamation is edition-specific and does not by itself establish an evergreen statutory holiday.

Respect for Parents Day

1 August · United States / informal family-appreciation observance

National Day Calendar places Respect for Parents Day on August 1 and attributes its 1994 creation to Marilyn Dalrymple; EventGuide independently lists it every August 1.

Rhode Island Independence Day

4 May annually · Rhode Island, United States / state independence commemoration

Rhode Island government sources state that 4 May each year is established as Rhode Island Independence Day, commemorating the General Assembly’s 4 May 1776 Act renouncing allegiance to the…

Root Canal Appreciation Day

Second Wednesday in May · United States / informal dental-awareness observance

Multiple observance archives identify the second Wednesday in May recurrence and attribute the 2005 creation to dentist Dr. Chris Kammer; archived press-release references support the creat…

Rosa Parks Day

Jurisdiction-specific; California currently recognizes 4 February (4 February in 2026) · United States / state and local Rosa Parks commemorations; California evidence used for this record

California’s current education calendar recognizes Rosa Parks Day on February 4, while the original 2000 legislative resolution used a different recurring formulation after the inaugural da…

Rose Bowl Game

Current edition/date must be rechecked · Pasadena, California, United States

The Rose Bowl Game’s official organizer site is the primary source for the event identity and current edition

Safetypup Day

12 February · United States / child-safety education mascot observance

The National Child Safety Council states that Safetypup was introduced on February 12, 1985 and that Safetypup’s birthday is February 12; the Georgetown, Ohio Police Department independentl…

Saint Damien de Veuster Day

10 May every year · Hawaii, United States / statutory commemorative day; not a state holiday

Hawaii Revised Statutes §8-8 designates May 10 of each year as Saint Damien de Veuster Day and expressly provides that the day is not a state holiday; the 2010 amendment replaced the older…

Sally Ride birthday / legacy anniversary

26 May birthday anniversary · U.S. space-history / Sally Ride legacy commemoration

NASA’s Astronaut Fact Book records Sally Ride as born on 26 May 1951; the inventory “Sally Ride Day” is therefore scoped here to a birthday/legacy anniversary rather than an asserted federa…

Salvation Army U.S. arrival anniversary

10 March 1880 (U.S. arrival anniversary anchor) · United States / Salvation Army historical anniversary

The Salvation Army’s own U.S. history records 10 March 1880 as the date its work officially arrived in the United States. That supports a historical anniversary anchor, not a statutory nati…

Save the Florida Panther Day

Third Saturday of March (21 March in 2026) · Florida, United States / statutory state special observance

Florida Statutes designate the third Saturday in March of each year as Save the Florida Panther Day; the U.S. Fish and Wildlife Service also promoted the 21 March 2026 observance.

School Bus Driver Appreciation Day

Fourth Tuesday of April (28 April in 2026) · United States / school-community driver appreciation observance

Current school-government communications and a New York State Assembly member page identify School Bus Driver Appreciation Day as the fourth Tuesday in April; in 2026 that is 28 April.

School Librarian Day

4 April · United States / school-library professional recognition

American Association of School Librarians publications identify April 4 as National School Librarian Day/School Librarian Day.

School Lunch Hero Day

1 May 2026 · United States / School Nutrition Association campaign

The School Nutrition Association’s official page lists School Lunch Hero Day on 1 May 2026 and frames it as recognition for school nutrition professionals.

School Nurse Day / National School Nurse Day

Wednesday within National Nurses Week; 6 May 2026 · United States / school nursing professional recognition

The National Association of School Nurses identifies School Nurse Day 2026 as Wednesday, May 6, and states that the observance is celebrated on the Wednesday within National Nurses Week.

School Principals Day

1 May · United States / school-principal recognition observance corroborated by California education calendar

The California Department of Education’s 2026 and 2027 recognition calendars both state that May 1 should be recognized annually as School Principals Day.

Scout Sabbath / Scout Shabbat

Recommended 6–7 February in 2026; congregations may choose another Sabbath · United States / Scouting America faith-community observance

Scouting America council guidance explains that Scout Sabbath is typically observed around the Scouting anniversary period, but congregations may designate another Sabbath; 2026 guidance re…

Send An Electronic Greeting Card Day

18 May · United States / creator-defined informal Wellcat observance

The first-party Wellcat calendar lists Send An Electronic Greeting Card Day on May 18.

Sexual Assault Awareness Month (SAAM) Day of Action

First Tuesday in April; 7 April 2026 · United States / NSVRC prevention-awareness campaign

The National Sexual Violence Resource Center states that SAAM Day of Action occurs on the first Tuesday of every April and lists 7 April for 2026.

Shopping cart introduction anniversary

4 June · United States / anniversary of Sylvan Goldman’s 1937 shopping-cart introduction

Smithsonian history dates the first official shopping cart introduction to 4 June 1937 and preserves an early shopping cart in the National Museum of American History collection.

Sick of Food Waste Day

Monday after the Big Game / Super Bowl (resolve target-year event) · United States / Hellmann’s food-waste campaign

Hellmann’s declared Sick of Food Waste Day for the Monday after the Big Game; the launch release identifies February 12, 2024 only as that edition’s resolved date, not a permanent February…

Silver Star Service Banner Day

1 May; congressional resolutions have supported specific-year designations · U.S. military-service commemoration honoring wounded or ill service members and veterans

Congressional resolutions have expressed support for designating May 1 as Silver Star Service Banner Day, including Senate action for May 1, 2015 and House Resolution 855 supporting May 1.

Simplot Games

19–21 February 2026 · Pocatello, Idaho, United States

The official Simplot Games site identifies the 46th Games as a high-school indoor track and field event held 19–21 February 2026

SKYWARN Recognition Day

First Saturday in December; edition status must be checked · United States / National Weather Service and amateur-radio community

National Weather Service material describes the first Saturday in December as SKYWARN Recognition Day. The national 2025 event was cancelled while organizers discussed redevelopment, so cur…

Slinky Day

30 August · United States / toy-brand and pop-culture observance

Just Play launched a National Slinky Day brand campaign on August 30, 2021, and Checkiday independently lists Slinky Day annually on August 30.

Small Business Saturday

Saturday after U.S. Thanksgiving; 28 November 2026 · United States / U.S. Small Business Administration observance

The U.S. Small Business Administration states that Small Business Saturday is observed every year on the Saturday after Thanksgiving; in 2026 that falls on 28 November.

Smart Irrigation Month

July · United States / Irrigation Association annual industry initiative

The Irrigation Association describes Smart Irrigation Month as an annual initiative held each July and published current 2026 campaign materials.

Sneak Some Zucchini onto Your Neighbors' Porch Day

8 August · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Sneak Some Zucchini onto Your Neighbors' Porch Day on August 8 and identifies Wellcat Holidays as created by Thomas and Ruth Roy.

Southern Food Heritage Day

11 October · United States / Southern food heritage observance

The National Food & Beverage Foundation states that the Southern Food & Beverage Museum celebrates Southern Food Heritage Day every October 11; EventGuide independently lists the observance…

Space Exploration Day

20 July 2026 in the cited U.S. presidential message · U.S. presidential commemoration tied to space exploration and the Apollo 11 anniversary

GovInfo records a presidential message titled for Space Exploration Day with event date 20 July 2026, providing current federal executive-branch evidence for the named commemoration.

Speak Up For Service Day

30 October · United States / youth community-service recognition founded by Mandan Lions Club

National Day Calendar’s founder record states that Mandan Lions Club founded Speak Up For Service Day in 2014 and that it is celebrated annually on October 30.

Special Education Day

2 December · United States / SPEDCO-created education observance tied to the 1975 federal special-education law anniversary

The Special Education Day organization identifies December 2 as the observance and says it was launched in 2005 to mark the anniversary of the 1975 federal special-education law.

Spirit of ’45 Day

Second Sunday in August; 9 August in 2026 · United States / World War II generation commemoration

A U.S. congressional concurrent resolution supports observance of Spirit of ’45 Day on the second Sunday in August

Squirrel Appreciation Day

21 January · United States / informal wildlife appreciation observance

Smithsonian Institution and Smithsonian National Zoo material repeatedly identify January 21 as Squirrel Appreciation Day and note that it has been celebrated since 2001.

Stand for Children founding rally

1 June 1996 founding rally; verify current annual observance separately · United States / Stand for Children organizational history

Stand for Children identifies June 1, 1996 as the date of its founding rally in Washington, D.C.; the evidence establishes a historical movement anchor rather than a perpetual official holi…

Startup Day Across America

Historical congressional initiative launched in 2013; event dates varied by edition and the initiative later evolved into Congressional Startup Day · United States / congressional startup-outreach initiative

New Democrat Coalition and House member records document Startup Day Across America as a bipartisan congressional initiative launched in 2013, with edition-specific dates rather than one pe…

Stephen Foster Memorial Day

13 January annually · United States / federal commemorative observance

36 U.S.C. §140 authorizes an annual presidential proclamation designating January 13 as Stephen Foster Memorial Day and describes appropriate commemorative programs.

Stepmother's Day

Sunday after Mother's Day · United States / informal family observance originating in 2000

The original family account states that nine-year-old Lizzie chose the Sunday after Mother's Day for Stepmother's Day in 2000 and records subsequent acknowledgement in the Congressional Rec…

Stonewall Uprising anniversary

28 June anniversary of the uprising’s beginning in 1969 · United States / Stonewall National Monument historical commemoration

The National Park Service states that the Stonewall uprising began in the early hours of 28 June 1969 and continued for several nights.

Support Teen Literature Day

Historical name: Thursday of National Library Week; first observed in 2007 and renamed Celebrate Teen Literature Day beginning in 2013 · United States / YALSA-ALA teen-literature campaign; legacy name

ALA/YALSA launched Support Teen Literature Day in 2007 on the Thursday of National Library Week and records that the event was renamed Celebrate Teen Literature Day beginning in 2013.

Susan B. Anthony birthday / legacy anniversary

15 February birthday anniversary · United States / women’s-rights historical anniversary

The National Park Service records Susan B. Anthony’s birth date as 15 February 1820. The inventory title is scoped to that birthday/legacy anniversary rather than an asserted nationwide pub…

Sweetest Day

Third Saturday in October (17 October in 2026) · United States / regional relationship-and-kindness observance

Hallmark states that Sweetest Day is always observed on the third Saturday in October and gives October 17 for 2026.

Take Down Tobacco National Day of Action

1 April 2026; annual organizer-led campaign · United States / youth tobacco-prevention campaign

The Campaign for Tobacco-Free Kids identifies Take Down Tobacco National Day of Action as its signature annual day and lists April 1 for the 2026 event.

Take Our Daughters And Sons To Work Day

Fourth Thursday in April · United States / participating workplaces

The organizing foundation’s materials identify the event and the fourth-Thursday-in-April recurrence

Take Your Houseplants for a Walk Day

27 July · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Take Your Houseplants for a Walk Day on July 27.

Take Your Webmaster to Lunch Day

6 July · United States / creator-defined informal Wellcat workplace observance

The first-party Wellcat Holidays calendar lists Take Your Webmaster to Lunch Day on July 6 and identifies the collection as created by Thomas and Ruth Roy.

Tennessee Statehood Day

1 June; 230th statehood anniversary in 2026 · Tennessee, United States / statehood anniversary

The Tennessee State Museum, a state institution, identifies 1 June as Statehood Day and marked Tennessee’s 230th birthday in 2026.

Texas Chicken Fried Steak Day

26 October · Texas, United States / state-recognized food commemoration

Texas House Resolution 1419 recognized October 26, 2011 as Texas Chicken Fried Steak Day and described it as the second annual observance; the organizer continues to promote October 26.

Texas Independence Day

2 March annually · Texas, United States / official state partial-staffing holiday

The Texas State Library lists Texas Independence Day on 2 March as an official partial-staffing state holiday; the Texas Comptroller’s FY2027 schedule also lists it on 2 March.

Thank Your Mentor Day

28 January in the 2026 National Mentoring Month edition · United States / MENTOR National Mentoring Month campaign

MENTOR’s 2026 National Mentoring Month materials list Thank Your Mentor Day on January 28. Earlier campaign editions used other January dates, so the date is stored as edition-specific rath…

Thanksgiving Day

Fourth Thursday in November · United States federal holiday

U.S. Office of Personnel Management / 5 U.S.C. 6103