March 2026 observances

Baba Marta / Martenitsa tradition

Bulgaria / cultural tradition

Bulgarian Ministry of Tourism cultural material describes the Baba Marta/Martenitsa spring custom and the March 1 tradition of wearing or exchanging martenitsi.

Baby Sleep Day

Global / Pediatric Sleep Council initiative

BabySleep.com, organized by the Pediatric Sleep Council, states that Baby Sleep Day is every March 1 and describes the council as an international team of pediatric sleep experts.

Clean Up Australia Day

Australia-wide community environmental clean-up campaign

Clean Up Australia, official organizer

Cultural practices associated to the 1st of March (Mărțișor/Martenitsa traditions)

Bulgaria, North Macedonia, Republic of Moldova and Romania / UNESCO intangible cultural heritage

UNESCO lists Cultural practices associated to the 1st of March, including Mărțișor/Martenitsa traditions, for Bulgaria, North Macedonia, the Republic of Moldova and Romania; the element was…

Endometriosis Awareness Day

International / endometriosis awareness context supported by a specialist medical society

The Endometriosis Society of India states that Endometriosis Awareness Day is observed globally on March 1, alongside Endometriosis Awareness Month in March.

International Women of Color Day

International / Women of Color recognition with U.S. institutional usage

U.S. Navy/DVIDS material identifies March 1 as International Women of Color Day and notes recognition by the National Institute for Women of Color since 1986; University of Pennsylvania mat…

March First Independence Movement Day

Republic of Korea / national commemoration

The Republic of Korea’s official Korea.net presidential material marks 1 March as March First Independence Movement Day, commemorating the March 1st independence movement.

Mărțișor / Cultural practices associated to the 1st of March

Bulgaria, North Macedonia, Republic of Moldova and Romania / UNESCO-listed spring traditions

UNESCO’s Representative List records the cultural practices associated with the 1st of March, including Mărțișor/Martenitsa-related traditions across the four nominating states.

National Black Women in Jazz and the Arts Day

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 Fruit Compote 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 Fruit Compote Day on 1 March.

National Horse Protection Day

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 Minnesota Day

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…

Peace Corps Day

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.

Public Risk Management Awareness Day

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.

Self-Injury Awareness Day

International / self-injury awareness and support context

LifeSIGNS states that Self-Injury Awareness Day is March 1 every year and documents its long-running awareness support around the date.

St David’s Day

Wales / national-saint cultural observance

Cadw, the Welsh Government’s historic-environment service, identifies 1 March as the day Wales celebrates its national saint, St David.

World Civil Defence Day

international civil-protection awareness and service-recognition observance

International Civil Defence Organization (ICDO) General Assembly decision of 18 December 1990

World Compliment Day

International / organizer-led appreciation observance

The official World Compliment Day site directs its 2026 awards and participation to March 1, consistent with the observance identity.

World Seagrass Day

United Nations / international observance

A/RES/76/265

Zero Discrimination Day

UNAIDS / United Nations / international observance

UNAIDS observance

Adwa Victory Day

Ethiopia / national public holiday

Ethiopia’s Proclamation No. 1334/2024 lists March 2 as Adwa Victory Day, a celebrated national holiday, and provides for nationwide observance.

Casimir Pulaski Day

Illinois state commemoration

Governor of Illinois proclamation published in the Illinois Register

Erev Purim / eve of Purim

Jewish calendar / Chabad 2026 dates

Chabad’s 2026 calendar states that Purim begins at sunset on Monday, 2 March 2026; the Fast of Esther also falls on 2 March. This supports Erev Purim as the eve/start boundary rather than a…

Fast of Esther (Ta’anit Esther)

Jewish religious fast

Chabad’s Fast of Esther guidance identifies the 2026 fast on 2 March and explains its calendar relationship to Purim.

Guam Discovery Day / Guam History and Chamorro Heritage Day naming history

Guam statutory holiday/commemoration with later naming changes in Guam law

Guam Code records the first Monday in March as Guam Discovery Day and notes later legislation designating the date as Guam History and Chamorro Heritage Day.

Guam History and Chamorro Heritage Day

Guam / territorial government holiday

Guam law designates the first Monday in March as Guam History and Chamorro Heritage Day, and the federal District Court of Guam’s 2026 holiday calendar lists 2 March 2026.

International Rescue Cat Day

International / animal-rescue awareness observance

The Animal Medical Center’s veterinary-awareness calendars list International Rescue Cat Day on 2 March across multiple editions. This verifies the stable date as an institutional awareness…

James Ronald Webster Day

Anguilla / official public holiday

The Government of Anguilla lists James Ronald Webster Day as a public holiday on 2 March in its 2026 calendar

National Banana Crème 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 National Banana Crème Pie Day on 2 March.

National Egg McMuffin Day

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.

NEA’s Read Across America Day

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.

Peasants’ Day

Myanmar national public holiday and agricultural/rural commemoration

Myanmar’s Ministry of Foreign Affairs lists Peasants’ Day on 2 March in the 2026 public-holiday calendar.

Texas Independence Day

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.

World Teen Mental Wellness Day

International / Hollister Confidence Project awareness campaign

Hollister’s corporate material says it created World Teen Mental Wellness Day in 2020 and presents it as an annual 2 March awareness initiative.

303 Day

Roland / global electronic-music and TB-303 community celebration

Roland describes 303 Day as the TB-303 celebration day observed every year on 3 March and documents the inaugural 303 Day on 3 March 2019.

Global Omega-3 Day™

Global / organizer-led omega-3 awareness campaign

The Global Organization for EPA and DHA Omega-3s (GOED) identifies March 3 as Global Omega-3 Day and states that GOED created the campaign.

Hina Matsuri / Doll’s Festival / Girls’ Day

Japan / traditional cultural observance

The Japan National Tourism Organization describes the third day of the third month as the annual Hina Matsuri or Doll’s Festival/Girls’ Day celebration in Japan.

Holika Dahan

India / 2026 Central Government office holiday calendar reference (Assam)

The Controller of Defence Accounts Guwahati lists Holika Dahan on 3 March 2026 among restricted holidays for Central Government administrative offices in Assam.

International Irish Whiskey Day

International / Irish-whiskey industry and cultural observance

Drinks Ireland’s Irish Whiskey Association marks International Irish Whiskey Day on March 3, and established drinks-calendar guidance lists the same date for 2026.

Martyrs’ Day

Malawi / national public holiday and remembrance observance

Malawi government material states that Martyrs’ Day is observed annually on 3 March to honor those who sacrificed their lives for freedom and self-rule.

Mother’s Day

Georgia / statutory holiday under the Labour Code

Article 30 of Georgia’s Labour Code lists March 3 as Mother’s Day among statutory holidays.

National Holiday — Day of Liberation from Ottoman Domination

Bulgaria

Bulgaria’s Council of Ministers public-holidays page lists 3 March as the National Holiday and Bulgarian Day of Liberation from Ottoman Domination.

National Moscow Mule Day

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

GREY GOOSE explicitly identifies National Moscow Mule Day as March 3 in the United States, Canada and United Kingdom.

National Mulled Wine Day

United States / informal mulled-wine observance

National Day Calendar and National Today independently place National Mulled Wine Day on March 3 each year.

National Pancake Day (IHOP)

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 Soup It Forward Day

Soup Sisters / charitable food-sharing and kindness campaign

Soup Sisters’ official campaign page identifies March 3 as Soup It Forward Day and invites people to make, share, or donate soup; a separate Soup Sisters article uses the National Soup It F…

National Sportsmanship Day

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…

Navy Reserve Birthday

United States / U.S. Navy Reserve institutional anniversary

The U.S. Navy Reserve identifies 3 March as the birthday of the Navy Reserve.

Phagwah (Holi)

Guyana / public-holiday and current national observance context

Guyana’s Public Holidays Act includes Phagwah Day and provides for the annual date to be published; current government coverage shows Guyanese preparing to celebrate Phagwah/Holi on 3 March…

Purim

Jewish calendar / Israel Ministry of Foreign Affairs 2026 schedule

The Embassy of Israel’s Ministry of Foreign Affairs 2026 holiday schedule lists Purim on 3 March 2026.

What if Cats & Dogs Had Opposable Thumbs Day

United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists What if Cats & Dogs Had Opposable Thumbs Day on March 3 and identifies the collection as created by Thomas and Ruth Roy.

World Hearing Day

World Health Organization global health observance

World Wildlife Day

United Nations international observance

A/RES/68/205

Hari Ulang Tahun Pertabalan Sultan Terengganu

Terengganu, Malaysia / 2026 state observance

Terengganu local-government pages mark 4 March 2026 for the Ulang Tahun Pertabalan of the Sultan of Terengganu, and federal environmental-training calendar material uses the same recurring…

Holi

India / Government of India 2026 gazetted-holiday calendar

The Government of India holiday calendar published by IIRS/ISRO lists Holi as a gazetted holiday on 4 March 2026.

International HPV Awareness Day

Global / International Papillomavirus Society campaign

IPVS identifies March 4, 2026 as International HPV Awareness Day and describes it as an annual global awareness campaign supported by partners across many countries.

International Scrapbooking Industry Day

International / scrapbooking-industry observance; organizer origin not established by the cited sources

The U.S. Department of Agriculture National Agricultural Library’s 2015 calendar exhibit lists International Scrapbooking Industry Day on 4 March, and a current calendar reference independe…

National Brain Injury Awareness Day

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 Dance The Waltz Day

United States / informal dance observance

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

National Grammar Day

English-language grammar and writing celebration

The current National Grammar Day home maintained by Quick and Dirty Tips identifies 4 March, traces the observance to Martha Brockenbrough in 2008, and carries current 2026 programming.

National Pound 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 Pound Cake Day on 4 March.

National Safety Day (India)

India / National Safety Council campaign

The National Safety Council of India identifies 4 March as National Safety Day and traces the observance to its foundation-day safety campaign.

World Day of the Fight Against Sexual Exploitation

International / sexual-exploitation awareness context

Haryana State Legal Services Authority documented March 4, 2024 awareness activities under this observance title, while National Today independently places it on March 4 annually.

World Engineering Day for Sustainable Development

UNESCO international day

Proclaimed by UNESCO in 2019

World Obesity Day

Global campaign convened by World Obesity Federation

Ak Kalpak Day

Kyrgyzstan

National Investment Agency under the President states Ak Kalpak Day is celebrated annually on 5 March and centers Kyrgyz cultural heritage

Arrival of the Gospel / Arrival of the First Missionaries

French Polynesia / Protestant historical and civic observance

Air Tahiti materials repeatedly document March 5 as the anniversary of the first London Missionary Society missionaries arriving at Matavai Bay in 1797; one current Air Tahiti guide describ…

Custom Chiefs’ Day

Vanuatu public holiday

Government of Vanuatu

Dissociative Identity Disorder Awareness Day

International / dissociation-awareness context supported by a specialist professional society

The International Society for the Study of Trauma and Dissociation states that DID Awareness Day occurs annually on March 5.

International Day for Disarmament and Non-Proliferation Awareness

United Nations / international observance

A/RES/77/51

National Cheese Doodle 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 Cheese Doodle Day on 5 March.

National Hospitalist Day

Hospital medicine profession / Society of Hospital Medicine

The Society of Hospital Medicine states that National Hospitalist Day occurs on the first Thursday in March annually and recognizes hospitalists’ contributions to hospital care.

National Potty Dance Day

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.

Reel Film Day

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.

St Piran’s Day / Gool Peran

Cornwall / Cornish cultural observance

Cornwall Council explicitly identifies St Piran’s Day as March 5 and frames it as a day when communities celebrate Cornish culture.

Battle of the Alamo anniversary / Dawn at the Alamo commemoration

Texas historical commemoration centered on the Alamo

The Alamo’s official 2026 commemoration program marks 6 March as the anniversary of the 1836 Battle of the Alamo, including Dawn at the Alamo and memorial events.

Day of Memorial and Respect for Veterans

Kosovo / observance; not represented here as a public holiday

Timeanddate lists the Day of Memorial and Respect for Veterans on March 6 in Kosovo and identifies it as an observance/working day; Calendarific independently lists March 6 for 2026.

Day of the Dude

Dudeism / The Big Lebowski-inspired community observance

Dudeism identifies 6 March as its annual Day of the Dude, selected for the film’s theatrical release date.

Employee Appreciation Day

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.

Independence Day

Ghana

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Ghana — Independence Day on 6 March. The source verifies the diplomatic national-day identi…

National Day of Tolerance and Coexistence in Iraq

Iraq national commemoration

A United Nations report records the Iraqi Prime Minister’s announcement that 6 March would henceforth be observed as the National Day of Tolerance and Coexistence following Pope Francis’s 2…

National Dentist Day

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 Dress Day

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 Report General Service Administration (GSA) Fraud Day

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 White Chocolate Cheesecake 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 Cheesecake Day on 6 March.

Overseas NHS Workers Day

United Kingdom / NHS international-worker appreciation campaign

BMA, NHS bodies and UK parliamentary records document Overseas NHS Workers Day; recent editions fall on the first Friday in March (3 March 2023, 7 March 2025, 6 March 2026).

World Day of Prayer

global ecumenical Christian prayer observance

World Day of Prayer International Committee movement

Iditarod Trail Sled Dog Race

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…

National Crown Roast of Pork 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 Crown Roast of Pork Day on 7 March.

World Information Architecture Day

global information-architecture community observance

World Information Architecture Association; annual global event first held in 2012

International Women's Day

United Nations-recognized international observance

United Nations observance

National Dry Shampoo Day

Klorane brand-led hair-care campaign

Klorane says it established the first National Dry Shampoo Day in 2017 and ties the campaign to the March daylight-saving clock change.

National Oregon Day

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 Retro Video Game Day

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.

Adelaide Cup Day

South Australian public holiday

Government of South Australia / SafeWork SA under the Public Holidays Act 2023

Anniversary of the Birth of Hamilton Lavity Stoutt

British Virgin Islands / territorial public holiday

The Virgin Islands Cabinet’s 2026 holiday calendar lists 9 March 2026 for the Anniversary of the Birth of Hamilton Lavity Stoutt. Earlier government pages describe the recurring public holi…

Canberra Day

Australian Capital Territory public holiday

ACT Government public-holiday calendar and ACT place-name history

Commonwealth Day

Commonwealth-wide observance; not a statutory holiday in Canada

Canadian Heritage, Government of Canada

Commonwealth Day

Canada / Commonwealth

Canadian Heritage confirms the second-Monday-in-March recurrence and that the day is an observance, not a Canadian statutory holiday

National American Paddlefish Day

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.

Taranaki Anniversary Day

Taranaki, New Zealand / Employment New Zealand 2026 guidance

Employment New Zealand’s 2026 table lists Taranaki’s actual anniversary as 31 March and its observed date as Monday 9 March 2026.

Histotechnology Professionals Day

National Society for Histotechnology / professional appreciation observance

The National Society for Histotechnology identifies March 10, 2026 as Histotechnology Professionals Day and states that it began in 2010 with annual participation resources.

International Bagpipe Day

International bagpipe players, makers, scholars and cultural communities

The International Bagpipe Organisation marked International Bagpipe Day on 10 March 2026 and describes it as a celebration of the world’s diverse bagpipes and piping traditions.

International Day of Awesomeness

International / informal celebration maintained by the observance’s official site

The official International Day of Awesomeness site states that the observance falls on March 10 every year.

International Day of Women Judges

United Nations international observance

A/RES/75/274

MAR10 Day / Mario Day

Nintendo / Mario fan celebration

Nintendo’s official material marks 10 March as Mario Day, using the MAR10 visual wordplay

National Blueberry Popover Day

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

ANFP Wyoming and Wisconsin chapter calendars list National Blueberry Popover Day on March 10.

National Organize Your Home Office Day

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 Pack Your Lunch Day

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 Women and Girls HIV/AIDS Awareness Day

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…

Tibetan National Uprising Day

Central Tibetan Administration / Tibetan diaspora commemoration

The Central Tibetan Administration publishes annual Kashag statements on March 10 for Tibetan National Uprising Day, commemorating the events of March 10, 1959.

Key Deer Awareness Day

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.

Moshoeshoe’s Day

Lesotho / national public holiday and remembrance

Lesotho government sources commemorate Moshoeshoe I on 11 March, and the official holiday calendar lists the day as a public holiday. Government history frames 11 March as remembrance of th…

National Funeral Director and Mortician Recognition Day

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 No-Code Day

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.

No Smoking Day

UK smoking-cessation awareness day; health guidance should remain general and point readers to qualified support

Berkshire Healthcare NHS Foundation Trust identifies National No Smoking Day on 11 March 2026 and uses it to encourage evidence-based quitting support.

Oatmeal-Nut Waffles 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 Oatmeal-Nut Waffles Day on 11 March.

Registered Dietitian Nutritionist Day

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.

World Day of Muslim Culture, Peace, Dialogue and Film

International / creator-led cultural dialogue observance

Creator Javed Mohammed’s own Muslim Outtakes publication identifies 11 March as World Day of Muslim Culture, Peace, Dialogue and Film, and a current 2026 school calendar independently carri…

World Plumbing Day

international plumbing profession and public-health awareness observance

World Plumbing Council

Young Carers Action Day

Carers Trust / United Kingdom young-carer awareness and action campaign

Carers Trust identifies Young Carers Action Day and publishes the date, theme and support focus for each campaign year

International School Meals Day

WFP / UN Armenia and Armenian school-meals partners

A 2026 UN Armenia/WFP release identifies International School Meals Day as 12 March 2026.

National Day — Independence and Republic anniversaries

Mauritius / National Day

The Prime Minister of Mauritius official site documented National Day celebrations on 12 March 2026 marking the 58th anniversary of Independence and 34th anniversary of the Republic.

National Girl Scout Day / Girl Scout Day

Girl Scouts anniversary commemoration in the United States; not a federal public holiday

Girl Scouts council material for Girl Scout Week 2026 labels 12 March National Girl Scout Day, while a New York legislative resolution recognized Girl Scout Day on the same date and tied it…

National Plant a Flower Day

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 Working Moms Day

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.

World Day Against Cyber Censorship

Global / Reporters Without Borders campaign

Reporters Without Borders identifies 12 March as World Day Against Cyber Censorship and states that RSF initiated the observance.

World Glaucoma Day

international glaucoma awareness observance

World Glaucoma Association / World Glaucoma Week tradition

World Kidney Day

Organizer-backed international observance

International Society of Nephrology (ISN) and International Federation of Kidney Foundations – World Kidney Alliance (IFKF-WKA)

International Every Girl Wins Day

International / Every Girl Wins Institute initiative

Fiji Parliament’s March 13, 2025 proceedings state that International Every Girl Wins Day is celebrated annually on March 13 and was established in 2019 by Every Girl Wins Institute.

IUGR Awareness Day

International / informal intrauterine-growth-restriction awareness observance

National Today places IUGR Awareness Day on March 13 annually, and Holidays & Observances independently lists it on March 13 in its health calendar.

K-9 Veterans Day

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.

National K-9 Veterans Day

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 Preschooler's Day

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.

Constitution Day

Andorra

The Government of Andorra’s official embassy holiday calendar lists 14 March as Constitution Day.

Dog Theft Awareness Day

United Kingdom / Stolen And Missing Pets Alliance campaign

The Stolen And Missing Pets Alliance states that its annual Dog Theft Awareness Day is on 14 March and documents the campaign’s continuing UK advocacy work.

International Day of Action for Rivers

international river-protection and community-rights action observance

International Rivers and the 1997 International Meeting of People Affected by Dams

International Day of Mathematics

UNESCO international observance

National Children's Craft Day

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 Genealogy Day

Internationally used family-history and genealogy observance with documented Irish origin

Ancestry’s historical overview traces National Genealogy Day to a 2013 Limerick, Ireland celebration and states that it is observed on the second Saturday in March; the City of Tulsa indepe…

National Learn About Butterflies Day

United States / informal nature-education observance

Butterfly Pavilion identifies March 14 as Learn About Butterflies Day, and institutional event calendars corroborate the date.

National Potato Chip 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 Potato Chip Day on 14 March.

National Urban Ballroom Dancing Day

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 Write Your Story Day

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.

Pi Day

Mathematics education and public engagement / United States congressional recognition context

The U.S. House of Representatives agreed to a resolution supporting the designation of Pi Day and encouraging schools and educators to observe it with mathematics activities

Professional Speakers Celebration Day

Worldwide / Global Speakers Federation professional-recognition day

The Global Speakers Federation names March 14 as Professional Speakers Celebration Day annually, beginning in 2023, and its 2026 program again uses March 14.

White Day

Japanese gift-giving custom one month after Valentine’s Day

Japan National Tourism Organization material identifies White Day on 14 March and explains the return-gift custom.

15 March National Holiday — 1848–49 Revolution and War of Independence

Hungary / national holiday

Hungary’s constitutional framework identifies 15 March as a national holiday commemorating the 1848–49 Revolution and War of Independence.

Constitution Day of the Republic of Belarus

Belarus / national holiday

The official President of Belarus national-holidays register lists Constitution Day on 15 March, and the presidential constitution page states that the Constitution was adopted on 15 March…

Hungary’s national holidays

Hungary / constitutional national-holiday framework

Hungary’s Fundamental Law identifies 15 March, 20 August and 23 October as national holidays and states that 20 August is the official state holiday.

Hōnen Matsuri

Komaki, Aichi Shinto harvest/fertility festival

Japan National Tourism Organization documents Hōnen Matsuri in Komaki and states that it is held on 15 March.

International Day Against Police Brutality

International activist/civil-society observance originating in Montreal

The Collective Opposed to Police Brutality (COBP) documents March 15 as the International Day Against Police Brutality since 1997, with independent historical corroboration.

International Day to Combat Islamophobia

United Nations international observance

A/RES/76/254

International Eat an Animal for PETA Day

Creator-originated informal satirical/protest observance associated with Meryl Yourish; not affiliated with PETA

Meryl Yourish’s own archive identifies March 15 as the official date and describes the 2005 observance as the third annual International Eat an Animal for PETA Day; her 2004 archive indepen…

Joseph Jenkins Roberts Memorial Birth Anniversary

Liberia / national public holiday

Liberia’s 2026 presidential proclamation declares 15 March the memorial birth anniversary of first president Joseph Jenkins Roberts and states that the 2026 public-holiday observance moves…

World Consumer Rights Day

Organizer-backed global consumer-rights campaign

Consumers International

World Essential Workers Day

International-facing / Ray Washington-created essential-worker appreciation observance

National Day Archives records March 15 and identifies Ray Washington as the creator.

World Speech Day

global public-speaking and ideas-sharing observance

World Speech Day organization

Benito Juárez birth-anniversary observance / statutory March holiday

Mexico / federal statutory rest-day context

Mexico’s Diario Oficial de la Federación identifies 16 March 2026 as the third Monday in March observed in commemoration of Benito Juárez’s birth anniversary under the Federal Labor Law.

Black Press Day

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…

Lips Appreciation Day

United States / creator-defined informal Wellcat observance

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

National Artichoke Day

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 Freedom of Information Day

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 Panda Day

Panda awareness and conservation observance

Smithsonian’s National Zoo explicitly identifies 16 March as National Panda Day in its giant-panda conservation and anniversary coverage.

National Vaccination Day (India)

India national health observance

Press Information Bureau, Government of India

Robert H. Goddard first liquid-fueled rocket anniversary

Spaceflight-history anniversary documented by NASA

NASA’s 2026 centennial material marks 16 March 1926 as Robert Goddard’s first successful liquid-fueled rocket flight.

St. Urho's Day

Finnish-American cultural folklore tradition

Finlandia Foundation National identifies St. Urho’s Day on 16 March and describes it within Finnish-American heritage programming.

Corned Beef and Cabbage 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 Corned Beef and Cabbage Day on 17 March.

Evacuation Day

Suffolk County, Massachusetts, United States — legal-holiday designation with statutory qualifications

Massachusetts General Laws, Part I, Title I, Chapter 4, §7

Feast of Saint Gertrude of Nivelles

Christian saint commemoration / Catholic hagiographic calendar context

Catholic Online lists Saint Gertrude of Nivelles among saints commemorated on March 17, and an older Lives of the Saints source independently places her feast on March 17.

Ramon Magsaysay Memorial Day

Philippines / presidentially designated memorial day

Proclamation No. 15 declares 17 March 1966 and every March 17 thereafter as Ramon Magsaysay Memorial Day.

St Patrick's Day

Ireland

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Ireland — St Patrick's Day on 17 March. The source verifies the diplomatic national-day ide…

World Social Work Day

Organizer-backed international observance

International Federation of Social Workers (IFSW)

Forgive Mom and Dad Day

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.

Global Recycling Day

International / Global Recycling Foundation campaign

A Bureau of International Recycling release issued on behalf of the Global Recycling Foundation documents Global Recycling Day activity on March 18, 2026 and identifies the Foundation’s cam…

National Anthem and Flag Day

Aruba / national holiday

The Government of Aruba lists National Anthem and Flag Day on 18 March and describes March 18 as Aruba’s national holiday.

National Lacy Oatmeal Cookie Day

United States / informal food observance

National Day Calendar and National Today independently place National Lacy Oatmeal Cookie Day on March 18 each year.

SBDC Day

United States small-business-development-center recognition observance

America’s SBDC / SBDCNet, with U.S. Small Business Administration participation

Transit Driver Appreciation Day

U.S. public-transit appreciation / TriMet current campaign evidence

TriMet’s 2026 campaign asks riders to celebrate Transit Driver Appreciation Day on 18 March 2026.

Absolutely Incredible Kid Day®

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.

Certified Nurses Day

Nursing / certification community

The American Nurses Credentialing Center states that Certified Nurses Day is celebrated every 19 March to recognize nurses who earn and maintain specialty certifications.

International Day for Digital Learning

UNESCO international day

Designated by UNESCO Member States in 2023

International Read to Me! Day

International Read to Me! Day / literacy campaign

The campaign’s official site identifies International Read to Me! Day as 19 March and describes the date as a focal day within a broader ongoing reading effort.

National Automatic Door Day

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 Chocolate Caramel Day

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

ANFP Wyoming and Wisconsin chapter calendars list National Chocolate Caramel Day on March 19.

National Close the Gap Day

Australia; Aboriginal and Torres Strait Islander health and equity campaign

The Australian Government Office for Youth describes National Close the Gap Day as held on the third Thursday in March; in 2026 that is 19 March.

Solemnity of Saint Joseph, Spouse of the Blessed Virgin Mary

Catholic Church / Roman liturgical calendar

Vatican sources identify 19 March as the Solemnity of Saint Joseph, spouse of the Blessed Virgin Mary and patron of the universal Church.

St Joseph's Day Venezuela

Venezuela / Christian observance; March 19 also matches the Catholic solemnity of Saint Joseph

National Today places the Venezuela-labelled observance on March 19 annually, while Vatican News independently confirms March 19 as the Catholic Solemnity of Saint Joseph.

Dogs in Yellow Day

Animal-behaviour awareness / veterinary-professional context

British Small Animal Veterinary Association material identifies Dogs in Yellow Day on 20 March as awareness for dogs that may need space.

French Language Day

United Nations / international observance

United Nations language observance

International Day of Happiness

United Nations international observance

A/RES/66/281

International Francophonie Day

UNESCO international day

UNESCO international observance

Journée internationale de la Francophonie

Organisation internationale de la Francophonie / international observance

The OIF states that the Journée internationale de la Francophonie is celebrated every year around 20 March and documents the 20 March 2026 edition.

March equinox

Global astronomical event / USNO 2026 season table

The U.S. Naval Observatory gives the March 2026 equinox at 14:46 UT on 20 March.

March equinox (Northern Hemisphere spring equinox)

Astronomical event / Northern Hemisphere seasonal naming

The U.S. Naval Observatory gives the March equinox at 14:46 UT on 20 March 2026; its season guidance notes that seasonal naming conventions are hemisphere-dependent.

National Macaron Day

International / informal macaron observance with French creator history

Pierre Hermé documentation identifies March 20 as Macaron Day and describes the initiative, while National Today independently places National Macaron Day on March 20 annually.

National Native HIV/AIDS Awareness Day

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 Preschool Teachers Appreciation Day

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…

Novruz holiday

Azerbaijan / Novruz holiday

The official website of the President of Azerbaijan records the 2026 Novruz holiday on March 20, 2026. This supports the 2026 edition but should not be hard-coded for every future year with…

Red Nose Day

Comic Relief / United Kingdom fundraising campaign

Comic Relief identifies Red Nose Day as its annual fundraising campaign

Won’t You Be My Neighbor Day

United States / Mister Rogers-inspired neighborliness observance

Municipal and PBS materials tie Won’t You Be My Neighbor Day to Fred Rogers’ March 20 birthday and community acts of kindness and neighborliness.

World Behavior Analysis Day

international behavior-analysis education and awareness observance

World Behavior Analysis Day Alliance

World Day of Theatre for Children and Young People

Global / ASSITEJ International observance

ASSITEJ International identifies 20 March as the annual World Day of Theatre for Children and Young People.

World Flour Day

global flour, milling and food-support observance

World Flour Day organization / FlourWorld Museum

World Frog Day

International / amphibian conservation awareness

The current World Frog Day platform says the observance is held every year on 20 March and is organized by SAVE THE FROGS!; its own history notes earlier informal use of the date.

World Oral Health Day

Organizer-backed international observance

FDI World Dental Federation

World Sparrow Day

International / Nature Forever Society-led conservation initiative

The official World Sparrow Day site states that the initiative is observed annually on March 20, was initiated in 2010 by Nature Forever Society with partners, and lists March 20, 2026 for…

World Storytelling Day

International storytelling and cultural observance

A current 2026 Federal Ministry of Culture and Sports page identifies 20 March as World Storytelling Day and describes storytelling’s cultural role.

California Strawberry 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 California Strawberry Day on 21 March.

Eid al-Fitr (Hari Raya Puasa in Singapore)

Singapore public-holiday calendar / globally variable Islamic observance

Singapore’s Ministry of Manpower lists Hari Raya Puasa on 21 March 2026 and marks the date subject to further confirmation. This verifies the Singapore 2026 public-holiday mapping, not a un…

Harmony Day

Australia national commemoration

Department of the Prime Minister and Cabinet, Australian Government

Human Rights Day

South Africa

The South African Government’s public-holidays page lists Human Rights Day on 21 March.

Independence Day

Namibia

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

International Colour Day

international colour awareness and interdisciplinary observance

International Colour Association (AIC)

International Day for the Elimination of Racial Discrimination

United Nations international observance

A/RES/2142 (XXI)

International Day of Forests

United Nations / FAO international observance

A/RES/67/200

International Day of Nowruz

United Nations-recognized cultural observance

A/RES/64/253

International Sports Car Racing Day

International / informal motorsport observance

National Today and Checkiday independently define International Sports Car Racing Day as the third Saturday in March.

Mother’s Day in Egypt

Egypt / national social observance

Egypt’s State Information Service identifies Mother’s Day on 21 March each year.

National Aries Day

International / informal astrology-themed observance

EventGuide and Holidays & Observances independently place National Aries Day on March 21.

National Corn Dog Day

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 Flower Day

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 French Bread Day

United States / informal food observance

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

National Healthy Fats Day

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 Renewable Energy Day

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 Teenager Day

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.

Naw-Rúz

Bahá’í Faith / official Bahá’í calendar

The official Bahá’í calendar lists Naw-Rúz on 21 March 2026 and explains that Bahá’í days run from sunset to sunset.

Play-the-Recorder Day

American Recorder Society / recorder-community observance

The American Recorder Society states that Play-the-Recorder Day grew from a 1989 event, became annual in 1992, and is observed on the third Saturday in March.

Race Relations Day (New Zealand)

New Zealand / race-relations observance aligned with the UN anti-racism day

New Zealand History records that Race Relations Day was first formally celebrated in New Zealand on 21 March 2003, aligning with the UN International Day for the Elimination of Racial Discr…

Save the Florida Panther Day

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.

World Day for Glaciers

United Nations / international observance

A/RES/77/158

World Down Syndrome Day

United Nations international observance

A/RES/66/149

World Poetry Day

UNESCO international observance

UNESCO 30 C/Resolution 29

World Puppetry Day

Puppeteers of America / North American puppetry community

Puppeteers of America states that it officially merged National Day of Puppetry with World Puppetry Day, each March 21; its 2026 online celebration was scheduled for Sunday, 22 March.

World Puppetry Day

Organizer-backed international observance

Union Internationale de la Marionnette (UNIMA)

Día de la Abolición de la Esclavitud (Abolition of Slavery Day)

Puerto Rico / government holiday calendar

Puerto Rico’s Department of Education calendar lists 22 March as Día de la Abolición de la Esclavitud, the jurisdiction’s abolition-of-slavery observance.

International Goof-off Day

International / informal leisure observance

Timeanddate and National Today both place International Goof-off Day on March 22.

National Goof Off Day

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 Sing Out Day

United States / informal singing observance

Holidays & Observances and EventGuide independently place National Sing Out Day on March 22.

World Water Day

United Nations international observance

A/RES/47/193

Cuddly Kitten Day

Informal pet-awareness calendar usage documented by a veterinary institution

The Animal Medical Center repeatedly lists Cuddly Kitten Day on March 23 across annual pet-awareness calendars.

National Melba Toast 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 Melba Toast Day on 23 March.

National Puppy Day

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.

Otago Anniversary Day

Otago, New Zealand / Employment New Zealand 2026 guidance

Employment New Zealand’s 2026 table gives 23 March for both Otago’s actual anniversary and observed date.

Pakistan Day

Pakistan national observance

Press Information Department, Government of Pakistan

Southern Africa Liberation Day

Southern African Development Community (SADC) region

SADC says its 2018 Summit endorsed 23 March as Southern Africa Liberation Day and that SADC commemorates it every year on that date.

World Meteorological Day

WMO / United Nations / international observance

WMO/EC-XII/Res.6

Commonwealth Covenant Day

Commonwealth of the Northern Mariana Islands public holiday

CNMI Office of the Registrar

Diabetes Alert Day

American Diabetes Association / U.S. diabetes-awareness campaign

The American Diabetes Association states that Diabetes Alert Day is observed annually on the fourth Tuesday in March and identifies March 24 for 2026.

International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims

United Nations international remembrance and human-rights observance

A/RES/65/196

National Adverse Drug Event Awareness Day

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 Cheesesteak Day

Philadelphia / U.S. informal food observance

Philadelphia International Airport and its marketplace materials repeatedly recognize March 24 as National Cheesesteak Day.

National Chocolate-Covered Raisins Day

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

ANFP Wyoming and Wisconsin chapter calendars list National Chocolate-Covered Raisins Day on March 24.

National Cocktail Day

Informal beverage observance documented by GREY GOOSE first-party calendar guidance in multiple markets

GREY GOOSE explicitly states that National Cocktail Day falls on March 24 in the United States, Canada, Australia and the United Kingdom.

National Day of Remembrance for Truth and Justice

Argentina / national remembrance day

Argentina’s government states that Law 25.633 established 24 March as the National Day of Remembrance for Truth and Justice to commemorate victims of the last military dictatorship.

World Tuberculosis Day

World Health Organization global health observance

WHO observance

American Red Cross Giving Day

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 Arengo

San Marino / national holiday calendar

San Marino official sources list 25 March as the Anniversary of the Arengo of 1906, alongside the Feast of the Militias.

Bed-in for Peace Day

International peace-culture / informal historical commemoration

National Today lists Bed-in for Peace Day every March 25, while John Lennon’s official site independently documents the Amsterdam Bed-In for Peace beginning March 25, 1969.

Dantedì — Italy’s national day dedicated to Dante Alighieri

Italy / national cultural day

Italy’s Ministry of Culture states that 25 March is Dantedì, the national day dedicated to Dante Alighieri, established by the Council of Ministers in 2020.

Independence Day

Greece

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Greece — Independence Day on 25 March. The source verifies the diplomatic national-day iden…

International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade

United Nations international remembrance observance

A/RES/62/122

International Day of Solidarity with Detained and Missing Staff Members

United Nations / international observance

A/RES/49/59

Manatee Appreciation Day

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…

Maryland Day

Maryland state commemoration / legal holiday history

Maryland State Archives

National Governance Professionals Day

Canada / Governance Professionals of Canada professional-recognition day

Governance Professionals of Canada lists the fourth annual National Governance Professionals Day for Wednesday, March 25, 2026; published dates differ by year, so no unverified recurrence r…

National Lobster Newburg 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 Lobster Newburg Day on 25 March.

National Medal of Honor Day

United States national commemoration

Congressional Medal of Honor Society; congressional designation described by the Society

National Michelle Shafer Half-Moon Cookie Day

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…

The Annunciation of the Lord

Catholic Church / 2026 U.S. Roman liturgical calendar

The USCCB 2026 liturgical calendar lists 25 March as the Solemnity of the Annunciation of the Lord.

Tolkien Reading Day

The Tolkien Society / literary-community observance

The Tolkien Society’s current event material states that Tolkien Reading Day is celebrated each year on 25 March.

Waffle Day (Våffeldagen)

Swedish food tradition with international usage

Swedish public-broadcasting coverage identifies 25 March as Waffle Day and explains the Swedish tradition that has spread beyond Sweden.

World Maths Day

3P Learning / Mathletics global school mathematics event

3P Learning publishes World Maths Day as a global mathematics event and gives the date for the 2026 edition

Air Max Day

Nike / Air Max sneaker community

Nike identifies March 26 as Air Max Day, its annual celebration of Nike Air and the Air Max community

Día Nacional por la Vida, la Paz y la Justicia

El Salvador / legislatively designated national commemorative day

El Salvador’s Legislative Assembly calendar records Legislative Decree No. 952 declaring March 26 of every year as the National Day for Life, Peace and Justice.

Equal Pay Day

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.

Independence Day

Bangladesh

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Bangladesh — Independence Day on 26 March. The source verifies the diplomatic national-day…

Major League Baseball Opening Day

Major League Baseball / 2026 regular season

MLB’s master schedule distinguishes a special Opening Night on March 25 from traditional Opening Day on March 26, 2026.

Make Up Your Own Holiday Day

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.

Martyrs’ Day

Mali / national commemoration

Mali Armed Forces reporting identifies March 26 as Martyrs’ Day and ties it to the victims of the March 1991 events.

Prince Jonah Kūhiō Kalanianaʻole Day

Hawaiʻi, United States; state holiday

Hawaiʻi law designates 26 March as Prince Jonah Kūhiō Kalanianaʻole Day.

Purple Day®

Global epilepsy-awareness initiative

The Epilepsy Foundation identifies Purple Day® on March 26 as a global initiative to raise epilepsy awareness and support people affected by epilepsy.

Ram Navami

India / 2026 Central Government office holiday calendar reference (Assam)

The Government of India Controller of Communication Accounts, Assam lists Ram Navami on 26 March 2026 in its 2026 gazetted-holiday calendar.

Armed Forces Day

Myanmar / current government commemoration

Myanmar’s President’s Office records the 81st Anniversary of Armed Forces Day on 27 March 2026.

International Medical Science Liaison Day

International / Medical Science Liaison Society professional-recognition day

The Medical Science Liaison Society identifies March 27 as International MSL Day and states that annual activities began March 27, 2020. The inventory title is treated as a descriptive alia…

International Whisk(e)y Day

International / drinks-culture observance honoring whisky writer Michael Jackson

Established drinks-calendar and historical references place International Whisk(e)y Day on March 27; the parenthetical spelling intentionally encompasses whisky and whiskey traditions.

Quirky Country Music Song Titles Day

United States / creator-defined informal Wellcat observance

The Wellcat creator calendar lists Quirky Country Music Song Titles Day on March 27.

Walk to Work Day

Australian walking/active-transport recognition event

Western Australia’s Department of Transport published a current 2026 Walk to Work Day notice for Friday 27 March and describes it as a national recognition event promoting walking for all o…

Wear A Hat Day

United Kingdom / Brain Tumour Research fundraising campaign

Brain Tumour Research’s 2026 campaign page sets Wear A Hat Day for Friday 27 March 2026 and identifies it as the charity’s major fundraising event.

World Theatre Day

Organizer-backed international observance

International Theatre Institute (ITI)

Earth Hour

Worldwide / WWF Earth Hour

The official Earth Hour site lists 28 March 2026 at 20:30 and invites people to give an hour for Earth.

National Black Forest Cake Day

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

ANFP Wyoming and Wisconsin chapter calendars list National Black Forest Cake Day on March 28.

Respect Your Cat Day

Informal pet-awareness calendar usage documented by a veterinary institution

The Animal Medical Center repeatedly lists Respect Your Cat Day on March 28 across annual pet-holiday calendars.

Serfs' Emancipation Day

Tibet Autonomous Region, China / government-designated commemoration

China's State Council Information Office says the Tibet Autonomous Region legislature designated March 28 as Serfs' Emancipation Day in 2009.

British Summer Time begins

United Kingdom

GOV.UK gives the UK clock-change rule and the 2026 start date for British Summer Time

Commemoration of the liberation struggle of 29 March 1947

Madagascar / national historical remembrance

Madagascar government ministries marked 29 March 2026 as the 79th anniversary of the 29 March 1947 liberation struggle; an official holiday decree also lists the 29 March commemoration in t…

Education and Sharing Day, U.S.A.

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.

Knights of Columbus founding anniversary

Knights of Columbus / organizational founding anniversary

The Knights of Columbus states that Blessed Michael McGivney founded the organization on March 29, 1882; its charter was approved that date.

National Lemon Chiffon 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 Lemon Chiffon Cake Day on 29 March.

National Mom and Pop Business Owners Day

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 Vietnam War Veterans Day

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.

Palm Sunday

Christian liturgical observance; date varies with Easter

The Church of England lectionary identifies Palm Sunday with the Liturgy of the Palms and Passion readings. In 2026 it falls on 29 March, the Sunday before Easter.

International Day of Zero Waste

United Nations / international observance

A/RES/77/161

Monday of Holy Week (Holy Monday)

Christian Holy Week observance; terminology and liturgical emphasis vary by tradition

The Church of England lectionary provides weekday readings and observance structure for Holy Week. In 2026 the Monday after Palm Sunday falls on 30 March.

National Doctors’ Day

United States

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

Seward’s Day

Alaska, United States; state holiday

Alaska DMV’s official state-holiday calendar lists Seward’s Day on 30 March 2026.

Spiritual Baptist Shouter Liberation Day

Trinidad and Tobago / public holiday

Trinidad and Tobago public authorities identify 30 March as Spiritual Baptist Shouter Liberation Day; the national library records that the annual holiday commemorates repeal of the prohibi…

Turkey Neck Soup 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 Turkey Neck Soup Day on 30 March.

World Bipolar Day

Organizer-backed worldwide mental-health awareness observance

International Society for Bipolar Disorders (ISBD), ANBD and International Bipolar Foundation

Anesthesia Tech Day

Anesthesia technology profession / ASATT recognition day

ASATT’s official event material places Anesthesia Tech Day on 31 March in both its 2026 and 2027 scheduling, supporting a stable March 31 professional-recognition date.

César Chávez Day

California state commemoration

Governor of California

International Transgender Day of Visibility

International LGBTQ community observance / GLAAD reference

GLAAD identifies International Transgender Day of Visibility on 31 March and describes it as observed each year.

Mahavir Jayanti

India / Central Government offices in Assam 2026 calendar

The Controller of Defence Accounts, Guwahati lists Mahavir Jayanti on Tuesday, 31 March 2026 in the 2026 holiday calendar for Central Government offices in Assam.

National Crayon Day

Creative arts / Crayola first-party recognition

Crayola’s current craft resources identify March 31 as National Crayon Day and provide dedicated activities for the observance.

National Farm Workers Day

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 Fitness Recovery Day

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.

Oranges and Lemons 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 Oranges and Lemons Day on 31 March.

World Backup Day

data-backup and digital-preservation awareness observance

World Backup Day initiative