Upcoming observances

Fast of Gedaliah / Tzom Gedaliah

Jewish minor fast and remembrance observance

Chabad’s current Jewish calendar lists the Fast of Gedaliah on 14 September 2026 (3 Tishrei 5787).

Ganesh Chaturthi / Vinayaka Chaturthi

India and Hindu communities; movable religious festival

A Government of India holiday calendar lists Ganesh Chaturthi / Vinayaka Chaturthi on 14 September 2026.

National Cream Filled Donut Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Cream Filled Donut Day on 14 September.

National Rosa Tequila Day

International / informal tequila-industry observance

National Today and Awareness Days independently place National Rosa Tequila Day on September 14; Awareness Days describes it as an informal industry-driven observance.

National Virginia Day

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…

World Atopic Eczema Day

Organizer-backed global health awareness observance

GlobalSkin and the international atopic-eczema community

Get Ready Day

American Public Health Association / emergency preparedness

APHA places Get Ready Day on the third Tuesday in September as part of its preparedness initiative

Grito de Independencia / Grito de Dolores

Mexico; national independence commemoration tradition

Government of Mexico material describes the Grito de Independencia ceremony on 15 September, commemorating the historical call associated with the start of independence.

Independence Day

Costa Rica

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Costa Rica — Independence Day on 15 September. The source verifies the diplomatic national-…

Independence Day

El Salvador

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists El Salvador — Independence Day on 15 September. The source verifies the diplomatic national…

Independence Day

Guatemala

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Guatemala — Independence Day on 15 September. The source verifies the diplomatic national-d…

Independence Day

Honduras

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Honduras — Independence Day on 15 September. The source verifies the diplomatic national-da…

International Day of Democracy

United Nations / international observance

A/RES/62/7

IT Professionals Day / IT Pro Day

SolarWinds-created technology-professional appreciation observance

SolarWinds says IT Professionals Day was established in 2015 and is celebrated on the third Tuesday of each September.

National Africa Civility Day

Africa-focused / World Civility Presidential Club-created humanitarian recognition observance

National Day Archives records September 15 and credits World Civility Presidential Club with founding the observance in 2020; current awareness calendars retain September 15.

Independence Day

Papua New Guinea

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Papua New Guinea — Independence Day on 16 September. The source verifies the diplomatic nat…

International Day for Interventional Cardiology

United Nations / international observance

A/RES/76/302

International Day for the Preservation of the Ozone Layer

United Nations / international observance

A/RES/49/114

International Day of Science, Technology and Innovation for the South

United Nations / international observance

A/RES/78/259

Malaysia Day

Malaysia national public holiday / national celebration

Government of Malaysia official portal

Mexico Independence Day

Mexico

The Organization of American States’ current country page lists Mexico National Independence Day as 16 September.

National Cinnamon Raisin Bread Day

United States / informal food observance

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

National PLAY-DOH Day

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 Stepfamily Day

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.

AKC Responsible Dog Ownership Day

American Kennel Club / responsible dog ownership campaign

The American Kennel Club designated September 17, the anniversary of the AKC’s founding, as AKC Responsible Dog Ownership Day and continues to publish the observance through its Responsible…

Australian Citizenship Day

Australian national citizenship observance

Australian Department of Home Affairs

Constitution Day and Citizenship Day

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.

International Country Music Day

International / informal country-music appreciation observance

Timeanddate identifies September 17 as International Country Music Day and treats it as an unofficial observance.

National Apple Dumpling Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Apple Dumpling Day on 17 September.

National DEI Day

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 Pawpaw Day

Kentucky State University agriculture and native-fruit awareness observance

Kentucky State University documents National Pawpaw Day as the third Thursday of each September, created to increase awareness of the native pawpaw fruit.

National Pet Bird Day

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 Carbon Monoxide (CO) Safety Day

United States and Canada / Kidde-origin pet carbon-monoxide safety campaign

Kidde’s campaign announcement identifies September 17 as National Pet Carbon Monoxide Awareness/Safety Day and ties the observance to pet-owner carbon-monoxide education.

Chile Independence Day

Chile

The Organization of American States’ current country page lists Chile National Independence Day as 18 September.

International Equal Pay Day

United Nations international observance

A/RES/74/142

International Grenache Day

International Grenache/wine-community observance

Wine International Association’s current 2026 calendar places International Grenache Day on 18 September and identifies the third-Friday rule; Grenache Association campaign material documen…

National Cheeseburger Day

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

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

National Concussion Awareness Day®

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 First Love Day

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 HIV/AIDS and Aging Awareness Day

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 POW/MIA Recognition Day

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 Report Kickback Fraud Day

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.

Aortic Dissection Awareness Day

Global / aortic-disease awareness campaign

The Aortic Dissection Charitable Trust states that September 19 marks Aortic Dissection Awareness Day every year and lists a global September 19, 2026 event.

Batman Day

DC / global Batman fan event

DC’s official Batman Day announcement identifies the 2026 event date and fan celebration

Boys’ and Girls’ Club Day for Kids

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.

Día de las Glorias del Ejército

Chile Army civic-military commemoration and legal holiday

Chilean Army; legal-holiday tradition traced to a 1915 decree

International Coastal Cleanup®

Ocean Conservancy / global cleanup campaign

Ocean Conservancy states that the International Coastal Cleanup is held annually on the third Saturday of September, with many cleanups also occurring throughout the month.

International Eat An Apple Day

International / informal food observance

National Day Calendar and National Today independently define International Eat an Apple Day as the third Saturday in September each year.

International Red Panda Day

international red-panda conservation awareness observance

Red Panda Network

International Talk Like a Pirate Day

Founder-created international novelty observance

TIME documents International Talk Like a Pirate Day as an annual 19 September observance created by John Baur and Mark Summers in 1995.

National Butterscotch Pudding Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Butterscotch Pudding Day on 19 September.

International Day of University Sport

UNESCO international day

National Care for Kids Day®

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 Crime and Intelligence Analyst Appreciation Day

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 Fried Rice Day

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 String Cheese Day

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.

NFT Day / International NFT Day

Web3 industry / creator consortium observance

The inaugural NFT Day announcement says a consortium of Web3 companies launched NFT Day on September 20, 2022 as an annual moment for the community, tied to the 2017 publication of the ERC-…

Weltkindertag (World Children’s Day in Germany)

Germany / World Children’s Day; statutory public holiday in Thuringia, not nationwide

UNICEF Germany states that Weltkindertag is observed every September 20; it has been a statutory public holiday in Thuringia since 2019.

World Cleanup Day

United Nations / international observance

A/RES/78/122

Yom Kippur

Jewish calendar / Israel Ministry of Foreign Affairs 2026 schedule

The Embassy of Israel’s Ministry of Foreign Affairs 2026 schedule lists Yom Kippur Eve on 20 September and Yom Kippur on 21 September 2026.

Belize Independence Day

Belize

The Organization of American States’ current country page lists Belize National Independence Day as 21 September.

Independence Day

Armenia

The Government of Armenia’s Independence Day message is dated 21 September and explicitly identifies the occasion as Republic of Armenia Independence Day.

Independence Day

Malta

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Malta — Independence Day on 21 September. The source verifies the diplomatic national-day i…

International Day of Peace

United Nations / international observance

A/RES/36/67

National Cat & Dog Gut Health Awareness Day

Pet-health awareness / AnimalBiome-sponsored campaign; veterinary-calendar corroboration

AnimalBiome’s press material documents the awareness-day launch, while Animal Medical Center veterinary-awareness calendars repeatedly list National Cat & Dog Gut Health Awareness Day on Se…

National Opioid Awareness Day

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 Pecan Cookie Day

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…

Respect for the Aged Day (敬老の日)

Japan / national holiday rule

Japan’s Cabinet Office explains that Respect for the Aged Day has fallen on the third Monday of September since 2003; in 2026 that is 21 September. It separately identifies 15 September as…

World Alzheimer’s Day

Organizer-backed international observance

Alzheimer's Disease International (ADI)

Elephant Appreciation Day

Informal elephant-appreciation observance documented by zoo and Smithsonian institutional sources

Jacksonville Zoo explicitly identifies September 22 as Elephant Appreciation Day, and Smithsonian Libraries published an Elephant Appreciation Day feature on September 22, 2010.

Hobbit Day

Tolkien literary-fandom observance

The American Tolkien Society identifies 22 September as Hobbit Day, connecting the date to the birthdays of Bilbo and Frodo Baggins and documenting the society’s observance tradition.

National Girls' Night In Day

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 Ice Cream Cone Day

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.

Proclamation of Independence

Mali

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Mali — Proclamation of Independence on 22 September.

World Rhino Day

international rhino awareness and conservation observance

World Rhino Day campaign; first announced by WWF-South Africa

Celebrate Bisexuality Day

Bisexual+ community visibility and awareness observance

GLAAD’s LGBTQ community calendar states that Bisexual+ Awareness Week culminates in Celebrate Bisexuality Day on 23 September.

International Day of Sign Languages

United Nations / international observance

A/RES/72/161

National Apple Cider Vinegar Day

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 Field Marketer’s Day

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 Great American Pot Pie Day

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 Snack Stick Day

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 White Chocolate Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National White Chocolate Day on 23 September.

RLS Awareness Day

Restless Legs Syndrome Foundation / awareness campaign

The Restless Legs Syndrome Foundation’s own materials identify 23 September as RLS Awareness Day and describe participation in the annual awareness campaign.

September equinox

Global astronomical event / USNO 2026 season table

The U.S. Naval Observatory gives the September 2026 equinox at 00:05 UT on 23 September.

Día de Nuestra Señora de las Mercedes

Dominican Republic / 2026 national holiday calendar

The Dominican Ministry of Labor’s official 2026 holiday notice lists 24 September, Día de Nuestra Señora de las Mercedes, and states that it is not moved.

Heritage Day

South Africa

South African Government lists Heritage Day as a public holiday and describes its purpose around cultural wealth, diversity and living heritage

Lash Stylists’ Day

International beauty industry / Noble Lashes creator-defined observance

Noble Lashes’ own site lists its September 24 Lash Stylist Day initiative; current awareness documentation attributes the 2018 creation to Noble Lashes and uses September 24 annually.

National Punctuation Day

United States / privately founded language-awareness observance

CBS coverage identifies National Punctuation Day as a 24 September observance created by Jeff Rubin in 2004.

Remember Me Thursday®

Helen Woodward Animal Center / pet-adoption awareness campaign

The official Remember Me Thursday site gives 24 September 2026 for the current campaign and centers orphan pets awaiting homes.

World Maritime Day

United Nations / IMO international observance

IMO / UN observance

California Native American Day

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…

Friday before the AFL Grand Final

Victorian public holiday; date varies with the AFL Grand Final

Business Victoria

International Ataxia Awareness Day

International ataxia-awareness effort

The National Ataxia Foundation states that International Ataxia Awareness Day is on September 25 each year and is a coordinated effort involving individuals and ataxia organizations around…

Macmillan Coffee Morning

United Kingdom / Macmillan Cancer Support fundraising campaign

Macmillan Cancer Support identifies Friday 25 September 2026 as the official Coffee Morning day while explicitly allowing supporters to host on a different date.

Math Storytelling Day

International / Natural Math community-created educational observance

Natural Math’s first-party toolkit says Math Storytelling Day is celebrated on September 25 and explains how Maria Droujkova and Sue VanHattum developed the observance.

Michigan Indian Day

Michigan commemorative day established by state law

Michigan Department of Civil Rights

National Comic Book Day

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 Cooking Day™

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 Food Service Workers Day

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.

European Day of Languages

Council of Europe language-learning and linguistic-diversity observance

Council of Europe; annual observance following the 2001 European Year of Languages

Fish Amnesty Day

PETA / animal-rights campaign

PETA states that it created Fish Amnesty Day in 1997 and marks it on the fourth Saturday in September.

HR Professionals Day

Workplace/professional recognition observance

Hofstra University and employer professional communications identify September 26 as HR/Human Resource Professional Day.

International Day for the Total Elimination of Nuclear Weapons

United Nations / international observance

A/RES/68/32

International Rabbit Day

International / rabbit welfare awareness

World Animal Protection describes International Rabbit Day as occurring on the fourth Saturday of September and gives 26 September for 2026.

Mesothelioma Awareness Day

United States-centered organizer campaign with state/local proclamations

The Mesothelioma Applied Research Foundation states that Mesothelioma Awareness Day takes place annually on September 26 and was established by its community in 2004.

National Dumpling Day

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 Ghost Hunting Day

International / National Ghost Hunting Day paranormal-community event

The official National Ghost Hunting Day site states the event was established in 2016 and is held on the last Saturday of September.

National Hunting and Fishing Day

United States — conservation and outdoor heritage observance

U.S. Fish & Wildlife Service states Congress established the observance in 1972 and it is celebrated on the fourth Saturday in September

Fête de la Communauté française

Fédération Wallonie-Bruxelles / French Community of Belgium

The Fédération Wallonie-Bruxelles 2026–2027 official calendar lists the Fête de la Communauté française on 27 September 2026.

Gold Star Mother's and Family's Day

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.

Independence Day of Turkmenistan

Turkmenistan

The Ministry of Foreign Affairs states that 27 September is celebrated as Independence Day in Turkmenistan and lists it among public holidays.

National Chocolate Milk Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Chocolate Milk Day on 27 September.

National Corned Beef Hash Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Corned Beef Hash Day on 27 September.

World Day of Migrants and Refugees

Catholic Church / 112th edition

The Holy See announced that the 112th World Day of Migrants and Refugees will be celebrated on Sunday, 27 September 2026.

World Rivers Day

international river-awareness and stewardship observance

World Rivers Day organizers; global initiative launched in 2005 alongside the UN Water for Life Decade

World Tourism Day

UN Tourism / United Nations / international observance

UN Tourism observance

Czech Statehood Day

Czech Republic / state holiday

Current Czech law lists 28 September as Czech Statehood Day; the page’s St. Wenceslas wording is a search-facing alias for the statehood observance.

Family Day — A Day to Eat Dinner With Your Children

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…

Fish Tank Floorshow Night

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.

International Day for Universal Access to Information

UNESCO / United Nations / international observance

A/RES/74/5

International Right to Know Day

Access-to-information and transparency advocacy; historically used by OSCE and civil-society partners

The OSCE Mission to Serbia documented International Right to Know Day on 28 September in partnership with public institutions, UNDP, journalists and transparency groups.

National Good Neighbor Day

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 North Carolina Day

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 Self Awareness Day

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.

Strawberry Cream Pie Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list Strawberry Cream Pie Day on 28 September.

Anniversary of the Victory of the Battle of Boquerón

Paraguay / Boquerón historical civic commemoration

The Government of Boquerón commemorates 29 September as the anniversary of the victory of the Battle of Boquerón and honors the heroes of the Chaco War.

International Day of Awareness of Food Loss and Waste

FAO / UNEP / United Nations / international observance

A/RES/74/209

National Coffee Day

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 Police Memorial Day

United Kingdom

The National Police Memorial Day organization states that the service is held on the nearest Sunday to 29 September and lists the 2026 service for Sunday 27 September in Belfast.

National Police Remembrance Day

Australia

Victoria Police’s official memorial page states that National Police Remembrance Day is observed on 29 September and provides the 2026 service date.

National Silent Movie Day

International / film-preservation observance organized by Silent Movie Day

Silent Movie Day’s organizers state that the annual celebration is held September 29 to promote silent-film exhibition and preservation.

VFW Day

Veterans of Foreign Wars / United States veterans-service organization

The Veterans of Foreign Wars commemorates VFW Day on September 29 in connection with the organization’s founding and continuing service

World Heart Day

World Heart Federation global campaign

Fiestas de San Jerónimo in Masaya

Masaya, Nicaragua patronal and cultural festival

Visit Nicaragua documents the San Jerónimo festivities in Masaya, including the major 30 September procession and later folkloric events.

Independence Day

Botswana

Government of Botswana material identifies 30 September as Botswana Independence Day.

International Podcast Day™

International Podcast Day / global organizer-led observance

The official International Podcast Day site identifies 30 September as International Podcast Day and explains that the event was rebranded from National Podcast Day in 2015.

International Translation Day

United Nations international observance

A/RES/71/288

National Extra Virgin Olive Oil Day

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 Hot Mulled Cider Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Hot Mulled Cider Day on 30 September.

National Love People Day

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 Puppy Mill Survivor Day

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 Women’s Health & Fitness Day

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.

Bring Your Bible to School Day

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.

Day of Defenders of Ukraine

Ukraine national observance

Official website of the President of Ukraine

Independence Day

Cyprus

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Cyprus — Independence Day on 1 October. The source verifies the diplomatic national-day ide…

Independence Day

Guinea

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Guinea — Independence Day on 1 October. The source verifies the diplomatic national-day ide…

Independence Day

Nigeria

The Nigerian government trade portal lists 1 October 2026 as Independence Day and states that it commemorates independence in 1960.

Independence Day

Tuvalu

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Tuvalu — Independence Day on 1 October. The source verifies the diplomatic national-day ide…

International Coffee Day

United Nations / international observance

A/RES/80/248

International Day of Older Persons

United Nations / international observance

A/RES/45/106

International Music Day

Organizer-backed international cultural observance

International Music Council (IMC)

International Day of Non-Violence

United Nations international observance

A/RES/61/271

Kids Music Day

Keep Music Alive / international music-education participation campaign

Keep Music Alive states that Kids Music Day is celebrated each year on the first Friday in October and lists the 11th annual event on 2 October 2026.

Memorial of the Holy Guardian Angels

Roman Catholic liturgical memorial

The United States Conference of Catholic Bishops’ 2 October 2026 readings identify the date as the Memorial of the Holy Guardian Angels. The inventory title “Guardian Angel Day” is retained…

MFG Day / Manufacturing Day

The Manufacturing Institute / United States manufacturing workforce outreach

The official MFG Day site identifies the first Friday in October and describes the initiative as a manufacturing workforce and career-exposure movement

National Custodian Day

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 Name Your Car Day

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 Report Long Term Acute Care Hospital Fraud Day

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.

Shemini Atzeret

Jewish religious observance

Chabad’s current 2026 calendar and guide identify Shemini Atzeret and explain its relationship to Simchat Torah.

World Day for Farmed Animals

Global / Farm Animal Rights Movement (FARM) campaign

FARM’s organizational history says World Farm Animals Day began in 1983 and is now called World Day for Farmed Animals; FARM reporting identifies the annual observance date as 2 October.

Día del Soldado Hondureño / Francisco Morazán birth anniversary

Honduras / civic and military commemoration

Honduras’s defense authority states that the civic calendar marks October 3 as Día del Soldado Hondureño in connection with the birth anniversary of Francisco Morazán.

Francisco Morazán birth anniversary / Honduran Soldier's Day

Honduran civic and military commemoration tied to Francisco Morazán’s birth anniversary

Honduras’s Secretariat of National Defense states that the civic calendar marks 3 October as Honduran Soldier’s Day on the anniversary of Francisco Morazán’s birth.

Iraqi National Day

Iraq / national civic observance

Iraq’s Ministry of Planning states that Iraqi National Day falls on 3 October every year and connects it to Iraq’s 1932 League of Nations admission and full sovereignty.

Mean Girls Day

Mean Girls film fandom / rights-holder-recognized pop-culture observance

Paramount’s official promotional campaign used 3 October as Mean Girls Day, including a 2023 TikTok release of the film; industry award documentation independently records the rights-holder…

National Boyfriend Day

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…

Simchat Torah

Jewish religious observance

Chabad’s current 2026 guide explains the Shemini Atzeret/Simchat Torah sequence and the Diaspora distinction for Simchat Torah.

World Card Making Day

International / card-making community observance

The World Card Making Day official site defines the observance as the first Saturday of each October for the worldwide card-making community.

Independence Day

Lesotho

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Lesotho — Independence Day on 4 October. The source verifies the diplomatic national-day id…

National Cinnamon Roll Day

Informal culinary observance with repeated first-party Cinnabon usage

Cinnabon first-party releases independently identify National Cinnamon Roll Day as October 4 in multiple years, supporting a fixed October 4 calendar convention without establishing legal s…

National Golf Lover’s Day

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 Vodka Day

Informal beverage observance documented by GREY GOOSE first-party material for the United States, Canada and United Kingdom

GREY GOOSE first-party material identifies National Vodka Day as October 4 and separately repeats that date in its cocktail FAQ.

Saint Francis of Assisi, Religious

Catholic Church / U.S. Roman liturgical context

USCCB materials identify 4 October as the Memorial of Saint Francis of Assisi. In the USCCB 2026 calendar, 4 October falls on the Twenty-Seventh Sunday in Ordinary Time, so the Sunday takes…

World Animal Day

Organizer-backed global animal-welfare observance

World Animal Day movement

World Communion Sunday

United Methodist and wider ecumenical Christian observance

The United Methodist Church identifies World Communion Sunday with the first Sunday of October and explains its ecumenical focus on Christian unity

Child Health Day

United States statutory patriotic/national observance

36 U.S.C. §105 requests an annual presidential proclamation designating the first Monday in October as Child Health Day and inviting organizations interested in child welfare to raise aware…

Constitution Day

Vanuatu / national holiday

The Government of Vanuatu holiday register lists Constitution Day on 5 October as a national holiday.

Implantação da República

Portugal / national republic commemoration and holiday

The Government of Portugal scheduled the official 115th anniversary commemoration of the Implantação da República for 5 October 2025; the government holiday register lists 5 October under t…

National Apple Betty Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Apple Betty Day on 5 October.

National Be Nice Day

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 Caribbean Civility Day

Caribbean-focused / World Civility Presidential Club-created humanitarian recognition observance

National Day Archives records October 5 and credits World Civility Presidential Club with founding the observance in 2020.

National Do Something Nice Day

United States / informal kindness observance

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

National Dolphin Day (India)

India / national dolphin-conservation awareness day

India’s Press Information Bureau reports that the Standing Committee of the National Board for Wild Life recommended 5 October be celebrated every year as National Dolphin Day to raise cons…

National Kiss a Wrestler Day

United States / informal wrestling-themed observance

National Today and Checkiday independently place National Kiss a Wrestler Day on October 5.

Armed Forces Day

Egypt / national holiday

The Presidency of Egypt’s National Holidays 2026 page lists Armed Forces Day on 6 October and identifies the date with 6 October 1973.

Customer Experience Day / CX Day

Global professional observance

CXPA states that it established and continues to lead Customer Experience Day on the first Tuesday of October

German-American Day

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

International Geodiversity Day

UNESCO international day

Proclaimed by UNESCO General Conference in 2021

National Energy Geek Day

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 Fruit at Work Day

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 Noodle Day

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 Orange Wine Day

International wine-interest observance founded by Amanda Claire Goodwin

Founder Amanda Claire Goodwin states that she founded National Orange Wine Day in 2018 to be celebrated annually on October 6.

National Plus Size Appreciation Day

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…

International Walk & Roll to School Day

International school active-travel campaign / U.S. local-government implementation

Solano County Safe Routes to School lists the 2026 International Walk & Roll to School Day for Wednesday, 7 October. Historical CDC material confirms the international walk-to-school campai…

National Coffee with a Cop Day

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 Walk & Roll to School Day

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.

World Cotton Day

FAO / United Nations / international observance

A/RES/75/318

World Day for Decent Work

Organizer-backed global labour-rights mobilization

International Trade Union Confederation (ITUC)

Air Force Day / Indian Air Force Day

India / Indian Air Force

India’s Ministry of Defence, via the Press Information Bureau, documents the Indian Air Force anniversary and Air Force Day on October 8 in official 2025 communications, supporting the fixe…

Harbormaster Appreciation Day

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.

Harry Potter Book Day

Bloomsbury / global publisher-led event

Bloomsbury’s official Harry Potter Book Day page identifies Thursday 8 October 2026 as the current event date.

National Salmon Day

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.

World Octopus Day

Octopus awareness, welfare and marine-life education observance

World Animal Protection identifies 8 October as World Octopus Day, and Birch Aquarium at UC San Diego has documented 8 October programming for the observance.

World Sight Day

Organizer-backed international observance

International Agency for the Prevention of Blindness (IAPB) and the global eye-health community

Commemoration of the abolition of slavery — Saint-Barthélemy

Saint-Barthélemy / statutory abolition commemoration and public holiday

French Labour Code article L3422-2 designates 9 October in Saint-Barthélemy as a public holiday for the commemoration of the abolition of slavery.

Hangul Proclamation Day

Republic of Korea national holiday

Republic of Korea Ministry of Personnel Management; Act on National Holidays

Independence Day

Uganda

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Uganda — Independence Day on 9 October. The source verifies the diplomatic national-day ide…

Independence of Guayaquil

Guayaquil, Ecuador / municipal civic commemoration

The Municipality of Guayaquil identifies 9 October 1820 as Guayaquil’s independence and marks 9 October with civic commemoration.

International Beer and Pizza Day

Founder-led food-and-drink observance

The observance’s own site states that International Beer and Pizza Day began in 2016, was founded by Nick Saulino, and is celebrated each year on 9 October.

Leif Erikson Day

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.

Moldy Cheese Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list Moldy Cheese Day on 9 October.

Vet Nurse Day

France / veterinary assistant and nurse recognition initiative

The official Vet Nurse Day site states that the 2026 Vet Nurse Day is on 9 October 2026 and publishes the associated veterinary-assistant initiative.

World Egg Day

Organizer-backed global food observance

World Egg Organisation

Anniversary of the Beginning of the Wars of Independence

Cuba / national commemoration day

Cuba’s official tourism information lists October 10 as the anniversary of the beginning of the Wars of Independence and a national commemoration day.

Bookshop Day

United Kingdom / Booksellers Association campaign

The Booksellers Association describes Bookshop Day as an annual one-day celebration of member high-street bookshops, launched in 2013, falling on the second Saturday in October; its current…

Curaçao Day

Curaçao cultural and country commemoration

Curaçao’s official tourism organisation promotes 10 October celebrations explicitly as Curaçao Day, while a U.S. State Department message independently recognizes the observance on that dat…

Fiji Day

Fijian national public holiday

Fiji Government

I Love Yarn Day

Craft Yarn Council fibre-arts celebration

The Craft Yarn Council current page gives 10 October 2026 and says the celebration is held annually on the second Saturday in October.

International Stage Management Day

International stage-management profession / industry observance

The Association of British Theatre Technicians, describing its Stage Management Association partner, states that International Stage Management Day is on 10 October each year.

Love Your Bookshop Day

Australia / Australian Booksellers Association campaign

The Australian Booksellers Association’s 2026 campaign pages set Love Your Bookshop Day for Saturday 10 October 2026.

Maroons Day / Day of the Maroons in Suriname

Suriname public-holiday and cultural remembrance context

Suriname holiday calendars identify 10 October as Maroons Day; this recovery uses the stable date while keeping the legal/public-holiday claim narrowly scoped to Suriname and subject to gov…

National Angel Food Cake Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Angel Food Cake Day on 10 October.

International Day of the Girl Child

United Nations / international observance

A/RES/66/170

National Coming Out Day

Human Rights Campaign / LGBTQ+ awareness context

The Human Rights Campaign identifies 11 October as National Coming Out Day and describes its history and purpose

National Peyronie’s Disease Awareness Day

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 Sausage Pizza Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Sausage Pizza Day on 11 October.

Pastor Appreciation Day

Christian / U.S. church pastor-recognition observance

IPHC Discipleship Ministries explicitly identifies the second Sunday of October as the national date for Pastor Appreciation Day while noting that local churches may choose another date.

Southern Food Heritage Day

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…

White Sunday

Samoan Christian and family tradition centered on children

Samoa Tourism explains White Sunday as a major Samoan children’s and church observance; official mission calendars document the adjacent 2026 holiday observance.

Columbus Day

United States — federal legal public holiday

5 U.S.C. §6103

Day of Indigenous Resistance

Venezuela / national commemoration

Venezuela’s Ministry of Culture states that 12 October has been commemorated as Día de la Resistencia Indígena since 2002 and continues to publish current anniversary material on that date.…

Día de la Diversidad Cultural

Uruguay / cultural-diversity commemoration

Uruguay’s Legislative Library identifies October 12 as Día de la Diversidad Cultural and explains the 2014 move away from the older “Día de la Raza” wording.

Día de la Nación Pluricultural

Mexico

Mexico’s 2020 federal decree declares 12 October of every year Día de la Nación Pluricultural

Día de la Raza / October 12 commemoration in Honduras

Honduras / Día de la Raza historical-national commemoration

Honduran historical decree material records 12 October as the Día de la Raza national festivity, and current Honduras holiday/tax calendars continue to identify the October 12 observance. O…

Día de la Resistencia Indígena

Venezuela / national commemoration

Venezuela’s Ministry of Culture states that October 12 has been observed in Venezuela as Día de la Resistencia Indígena since the 2002 national renaming.

Independence Day

Equatorial Guinea

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Equatorial Guinea — Independence Day on 12 October. The source verifies the diplomatic nati…

National Farmers Day

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 Gumbo Day

Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Gumbo Day on 12 October.

Commemoration of the Assassination of Prince Louis Rwagasore

Burundi secular public holiday and national commemoration

Ministry of Foreign Affairs, Republic of Burundi

Herpes Awareness Day

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.

International Civility for the Girl Child Day

International / creator-documented girl-child civility and leadership observance

National Day Archives identifies October 13 and names Louisa Akaiso as the 2020 creator; EventGuide independently lists the observance every October 13.

International Day for Disaster Risk Reduction

United Nations / international observance

A/RES/64/200

National Transfer Money to Your Son Day

United States / informal family-and-money observance

National Today and Awareness Days independently place National Transfer Money to Your Son Day on October 13.

U.S. Navy Birthday

United States / U.S. Navy anniversary

Naval History and Heritage Command identifies 13 October as the date celebrated as the U.S. Navy’s birthday.

World Thrombosis Day

Organizer-backed international observance

International Society on Thrombosis and Haemostasis (ISTH)