March 2027 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.

Casimir Pulaski Day

Illinois state commemorative holiday

Illinois law, 5 ILCS 490/15, establishes the first Monday in March as a statewide holiday known as the birthday of Casimir Pulaski and requires a gubernatorial proclamation; the Illinois Re…

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; WHO provides current disease-context information but does not establish the obser…

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 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

Republic of Korea law and Ministry sources verify March 1 Samiljeol, the 1919 movement, the 1949 National Holidays Act framework and current national/public-holiday status.

Mărțișor

Bulgaria, North Macedonia, Republic of Moldova and Romania / UNESCO-listed first-of-March cultural practices

UNESCO’s Representative List records the multinational element “Cultural practices associated to the 1st of March” for Bulgaria, North Macedonia, the Republic of Moldova and Romania, inscri…

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 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; originated through the Port of Corpus Christi Authority and promoted by Texas PRIMA; not a statutory public holiday

A Port of Corpus Christi Authority resolution adopted February 19, 2019 designated March 1 of each calendar year as Public Risk Management Awareness Day and described March 1, 2019 as the i…

Self-Injury Awareness Day

International / March 1 self-injury awareness and anti-stigma context; public content is non-graphic, non-instructional, privacy-respecting and support-oriented

LifeSIGNS states that Self-Injury Awareness Day is March 1 every year, has been observed for well over twenty years, is recognized internationally and has been supported by LifeSIGNS since…

World Civil Defence Day

international civil-protection awareness and service-recognition observance

ICDO records a General Assembly resolution adopted on 18 December 1990 designating March 1 as World Civil Defence Day, with initiation in 1991.

World Compliment Day

International / Hans Poortvliet-led appreciation initiative

The official World Compliment Day and Dutch National Compliment Day sites identify Hans Poortvliet as the driving force/initiator, March 1 as the recurring date, and the Dutch predecessor a…

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 current national-holiday proclamation lists 2 March as Adwa Victory Day; current Ethiopian government reporting continues to mark the national anniversary on 2 March.

National Egg McMuffin Day

United States / McDonald’s-created product observance

McDonald’s corporate releases establish the March 2 observance in 2020 and again use National Egg McMuffin Day on March 2 in 2025; promotions remain edition-specific.

National Pancake Day (IHOP)

United States / IHOP annual National Pancake Day brand promotion

IHOP declared on 23 February 2026 that the first Tuesday of March is its annual National Pancake Day; prior editions are preserved as date-specific brand events rather than retroactively fo…

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…

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

GOED states that it created Global Omega-3 Day™ on March 3 and continues to coordinate the campaign; its 2022 annual report calls 2022 the second annual edition, supporting a 2021 first edi…

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.

International Irish Whiskey Day

International / Irish-whiskey industry and cultural observance

Creator and professional-profile evidence identifies Stuart McNamara as creator, with conception in 2016; a Galway Town Hall Theatre programme documents the launch in March 2017, while curr…

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 current Labour Code lists March 3 as Mother’s Day among statutory holidays; the Public Defender states that the date has been celebrated in Georgia since 1991.

National Holiday — Day of Liberation from Ottoman Domination

Bulgaria / statutory national holiday

Bulgaria’s Labour Code Article 154 lists March 3, the Day of Liberation of Bulgaria from Ottoman rule, as the national holiday; the Council of Ministers links the date to the preliminary Tr…

National Moscow Mule Day

United States / informal brand-created cocktail observance; alcohol participation is optional and any alcoholic participation is limited to adults of legal drinking age.

A SMIRNOFF-supplied October 20, 2016 launch release states that SMIRNOFF and Foodimentary were declaring March 3 National Moscow Mule Day, explains the “3-3” date rationale, and says the ho…

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…

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.

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

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 Hospitalist Day

Hospital medicine profession / Society of Hospital Medicine professional-recognition observance

SHM states that National Hospitalist Day occurs on the first Thursday in March annually and documents the inaugural 7 March 2019 observance.

National Safety Day (India)

India / National Safety Council National Safety Day and Safety Week campaign

The National Safety Council of India was established on March 4, 1966 and records that National Safety Day began in 1972 to mark its Foundation Day. NSC guidance states that the campaign be…

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

Ak Kalpak Day

Kyrgyzstan

Kyrgyz government sources say Ak Kalpak Day began as an unofficial observance in 2011 through filmmaker Rysbek Zhabirov’s initiative, received official status through Jogorku Kenesh Resolut…

Arrival of the Gospel / Arrival of the First Missionaries

French Polynesia / Protestant historical and civic observance

French Polynesia public-service material lists March 5 “Arrivée de l’évangile” among legal holidays, including the 2026 calendar. Assembly historical material explains that the civic holida…

Custom Chiefs’ Day

Vanuatu public holiday

Government of Vanuatu

Dissociative Identity Disorder Awareness Day

International / DID awareness supported by a specialist professional society and partner organizations

ISSTD states that Dissociative Identity Disorder Awareness Day occurs annually on March 5 and documents recurring public education programming; ISSTD also explicitly notes that the origin o…

Employee Appreciation Day

United States / workplace recognition convention

Current Recognition Professionals International material confirms the first-Friday-in-March observance; government-hosted workplace-recognition material attributes the 1995 creation to Dr.…

International Day for Disarmament and Non-Proliferation Awareness

United Nations / international observance

A/RES/77/51

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.

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).

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 and patronal observance; not treated as a UK-wide statutory public holiday

Cornwall Council explicitly marks St Piran’s Day on March 5 as a celebration of Cornish culture, while UK government material identifies St Piran as Cornwall’s patron saint and traces the m…

Day of Memorial and Respect for Veterans

Kosovo / observance; not represented here as a public holiday

Kosovo Law 03/L-064 Article 5.5 lists March 6 as a memorial day; Articles 2 and 5 distinguish public holidays from memorial days

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.

Independence Day

Ghana / March 6 independence anniversary and statutory public holiday

Ghana’s Ministry of Foreign Affairs identifies 6 March 1957 as the independence date, while the Ministry of the Interior treats March 6 Independence Day as a statutory public holiday under…

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

The Hesch Firm-issued 2018 founder release establishes March 6 and Joel D. Hesch as founder. The campaign title itself uses “General Service Administration,” while official GSA material ide…

Clean Up Australia Day

Australia-wide community environmental clean-up campaign

Clean Up Australia, official organizer

Adelaide Cup Day

South Australian statutory public holiday

Section 3 of South Australia’s Public Holidays Act 2023 fixes Adelaide Cup Day as the second Monday in March; SafeWork SA publishes current-year dates under that rule.

Commonwealth Day

Commonwealth-wide observance with Canada-specific jurisdictional guidance; not a statutory holiday in Canada

Commonwealth Secretariat and Canadian Heritage verify the second-Monday-in-March shared observance, 1976 adoption path and 1977 simultaneous start; Canada-specific status is a jurisdictiona…

International Women's Day

United Nations-recognized international observance

United Nations observance

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.

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.

National Organize Your Home Office Day

United States / informal home-office organization observance created by Lisa Kanarek

Current historical references identify Lisa Kanarek as creator, trace the observance to 1992, and document a move from the fourth Tuesday in March (1992–1999) to the second Tuesday beginnin…

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 Day of Awesomeness

International / informal creator-led celebration maintained by the observance’s first-party site

The official International Day of Awesomeness site identifies Kevin Lawver as the creator, traces the idea to August 6, 2007, says the observance occurs every March 10, explains that the da…

International Day of Women Judges

United Nations international observance

A/RES/75/274

MAR10 Day / Mario Day

Nintendo / Mario fan celebration

Nintendo official material verifies March 10 as MAR10 Day / Mario Day and the MAR 10 → MARIO visual wordplay; original creator, formal adoption year and first recurring edition remain unass…

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 Women and Girls HIV/AIDS Awareness Day

United States / federal women and girls HIV awareness observance

HIV.gov, the HHS Office on Women’s Health and CDC verify March 10 and current federal stewardship. Federal sources disagree on whether the first annual observance was 2005 or 2006, so first…

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.

Tibetan National Uprising Day

March 10 remembrance observed by the Central Tibetan Administration and Tibetan diaspora communities; politically contested historical context

CTA archives establish recurring March 10 anniversary statements and a first-anniversary address in 1960; U.S. historical records independently anchor events beginning in Lhasa on March 10,…

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 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.

World Kidney Day

International Society of Nephrology and International Federation of Kidney Foundations–World Kidney Alliance global awareness campaign

World Kidney Day states that the joint ISN and IFKF-WKA campaign started in 2006 and is celebrated every second Thursday in March; the 2026 campaign page identifies 12 March 2026.

World Plumbing Day

international plumbing profession and public-health awareness observance led by the World Plumbing Council

World Plumbing Council first-party material verifies March 11, an October 2009 WPC launch, the inaugural March 11, 2010 observance and continuing annual WPC stewardship.

National Day — Independence and Republic anniversaries

Mauritius / National Day

Mauritius public-holiday legislation lists March 12 as the day celebrating Independence Day and Republic Day; government history verifies independence on March 12, 1968 and republic status…

National Working Moms Day

United States / Working Moms of Milwaukee-created recognition observance for working mothers, launched in 2020 and annually observed March 12

National Day Calendar states that Susannah Lago of Working Moms of Milwaukee launched National Working Moms Day in 2020 and that its Registrar proclaimed annual March 12 observance on March…

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.

International Every Girl Wins Day

international girls’ equality, opportunity and leadership awareness initiative

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

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 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 K-9 Veterans Day

United States / working-dog commemoration with military-history date rationale

Institutional sources recognize National K-9 Veterans Day on March 13 and tie the date to the U.S. Army War Dog Program launched March 13, 1942. Reviewed authoritative sources do not establ…

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 annual campaign

SAMPA identifies March 14 as its annual Dog Theft Awareness Day and maintains current prevention/recovery campaigning; the reviewed first-party material does not sufficiently establish the…

International Day of Action for Rivers

international river-protection and community-rights action observance

International Rivers states that participants at the first International Meeting of People Affected by Dams in Curitiba, Brazil, adopted the International Day of Action Against Dams and For…

International Day of Mathematics

UNESCO international observance

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

Japan / March 14 gift-giving custom with later adoption elsewhere

Japan National Tourism Organization identifies White Day on 14 March as a Japanese gift-giving custom; Japanese public-sector and industry-history material supports the national confectione…

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

Hungary / national holiday

Hungary’s Fundamental Law Article J lists 15 March as a national holiday in memory of the 1848–49 Revolution and War of Independence; the 1991 holiday law records an earlier statutory stage.

Benito Juárez birth-anniversary observance / statutory March holiday

Mexico / federal mandatory-rest-day rule commemorating Benito Juárez’s March 21 birth anniversary

Article 74(III) of Mexico’s current Federal Labor Law lists the third Monday in March as a mandatory rest day in commemoration of March 21, the anniversary of Benito Juárez’s birth. The 17…

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 Article J identifies 15 March, 20 August and 23 October as national holidays and identifies 20 August as the official state holiday; the Labour Code separately lis…

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 original 1 March 2003 archive designates March 15 as International Eat an Animal for PETA Day; the 2004 archive calls the next occurrence second annual and later creator pos…

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 Speech Day

global public-speaking and ideas-sharing observance coordinated by the World Speech Day not-for-profit organization

World Speech Day first-party material verifies Simon Gibson’s 2015 launch at the Athens Democracy Forum, annual March 15 recurrence and continuing organizer stewardship across a decentraliz…

Black Press Day

U.S. Black press history and journalism commemoration

March 16 recurrence is supported by the Congressional Record (2000), New York Assembly Resolution K233 (2025), and current NNPA/Howard programming around the March 16, 1827 Freedom’s Journa…

Lips Appreciation Day

United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists Lips Appreciation Day on March 16 and states that Wellcat Holidays were created by Thomas and Ruth Roy. Wellcat’s About page independently de…

National Freedom of Information Day

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

National Freedom of Information Day is observed on March 16, James Madison’s birthday. Congress designated March 16, 1987 as Freedom of Information Day in Public Law 99-539 and President Ro…

National Vaccination Day (India)

India national health observance

Press Information Bureau, Government of India

World Social Work Day

International Federation of Social Workers global professional observance

IFSW records that member organizations approved an international social work day at the 2004 Adelaide General Meeting, the first World Social Work Day was celebrated in 2007, and the third-…

Evacuation Day

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

Massachusetts General Laws establish March 17 as a Suffolk County-only legal holiday with open-office qualifications and an annual gubernatorial proclamation; NPS history documents Boston’s…

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.

SBDC Day

United States small-business-development-center recognition observance

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

St Patrick's Day

Ireland / national and public holiday with religious and cultural dimensions; Irish employment rules are not generalized globally

Government of Ireland material identifies 17 March as St Patrick’s Day and Ireland’s national holiday; the Workplace Relations Commission lists it among current public holidays, while the I…

Absolutely Incredible Kid Day®

United States / Camp Fire youth-encouragement observance

Camp Fire says it founded Absolutely Incredible Kid Day® in 1997 and celebrates it annually on the third Thursday in March; the current Camp Fire page identifies March 19, 2026 for #KidDay…

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.

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 Close the Gap Day

Australia / Close the Gap Campaign public-awareness observance for Aboriginal and Torres Strait Islander health equity; distinct from the government Closing the Gap policy framework

The current Close the Gap Campaign site places National Close the Gap Day on the third Thursday in March. Australian Human Rights Commission historical material records a first National Clo…

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 Preschool Teachers Appreciation Day

United States / preschool and early-childhood educator appreciation observance

Virginia Department of Education bulletins identify National Preschool Teachers Appreciation Day on March 21 in 2025 and March 20 in 2026, establishing the recurring third-Friday-in-March p…

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

International Francophonie / French-language and cultural observance

UNESCO and the Organisation internationale de la Francophonie identify March 20 as International Francophonie Day. The date commemorates the creation of the Agency for Cultural and Technica…

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.

National Corn Dog Day

United States / informal food-and-college-basketball observance

National Day Calendar credits Brady Sahnow and Henry Otley with creating the observance in Corvallis, Oregon, in 1992; a preserved co-founder-attributed history corroborates the basketball…

National Native HIV/AIDS Awareness Day

United States / American Indian and Alaska Native HIV awareness

NIH identifies National Native HIV/AIDS Awareness Day as an annual March 20 observance first observed in 2007 and organized by the National Native HIV Network. CDC archival and organizer ma…

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.

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.

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 / March 20; WBADA-coordinated; non-clinical observance copy with consent/dignity safeguards

WBADA first-party history traces the idea to Elizabeth Drago’s organizing beginning in 2019, identifies a 2020 inaugural celebration, documents the alliance’s 2021 formalization and current…

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

International flour/milling appreciation and charitable-action campaign; food/allergen boundaries apply

The current official World Flour Day site verifies March 20, present FlourWorld Museum/Mühlenchemie stewardship and the seasonal date rationale; contemporaneous 2019 industry material ident…

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 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

California strawberry-industry observance actively promoted in California Strawberry Commission communications; not a statutory California state holiday.

California Strawberry Commission first-party dietitian toolkits list March 21 as National California Strawberry Day and recommend it as an education/story opportunity about growers and farm…

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

Namibia government history states that independence occurred on 21 March 1990 and that Independence Day is annually celebrated on March 21; the Public Holidays Act independently lists the s…

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

Mother’s Day in Egypt

Egypt / national social observance

Egyptian State Information Service confirms a recurring 21 March social Mother’s Day, proposed by Ali Amin in December 1955 and first held 21 March 1956; not a statutory day off.

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.

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…

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

international cultural observance of puppetry led by UNIMA

UNIMA first-party material verifies a 2003 launch, annual March 21 recurrence and continuing stewardship through international messages, National Centres and campaign materials.

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

Puerto Rico / government holiday calendar

Puerto Rico statutory, education and historical sources verify March 22 as the recurring abolition-of-slavery holiday and tie the date to the formal abolition of slavery on March 22, 1873.

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.

Diabetes Alert Day

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

Current American Diabetes Association material states that Diabetes Alert Day is a day set aside by the ADA, observed annually on the fourth Tuesday in March, and identifies March 24 for 20…

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.

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

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 campaign

The American Society of Pharmacovigilance (ASP) announced on March 24, 2021 that it was establishing March 24 as National Adverse Drug Event Awareness Day. ASP later described 2024 as the t…

National Cheesesteak Day

Philadelphia / U.S. informal food observance with documented community origin, modern institutional recurrence and local civic recognition

Direct interviews with the four originators trace the observance to a March 24, 1994 cheesesteak outing and a 1995 “second annual” National Cheesesteak Thursday letter; Philadelphia Interna…

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 Day of Remembrance for Truth and Justice

Argentina / national remembrance day

Argentina’s Law 25.633 establishes March 24 as the National Day of Remembrance for Truth and Justice, while current official holiday law treats March 24 as a non-transferable national holid…

World Tuberculosis Day

World Health Organization global health observance

WHO observance

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.

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 / March 25 independence commemoration and compulsory public holiday

Greece’s Ministry of Foreign Affairs identifies March 25 with the beginning of the 1821–1830 independence struggle, while the Ministry of Labour lists Greek Independence Day on March 25 as…

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

Maryland Day

25 March | Maryland state-specific commemorative/legal history, not universal paid leave

Maryland State Archives

National Medal of Honor Day

United States national commemoration

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

Tolkien Reading Day

The Tolkien Society / literary-community observance

The Tolkien Society describes Tolkien Reading Day as an annual March 25 observance, with the Society’s history identifying March 25, 2003 as the first edition after a reader suggestion was…

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.

Air Max Day

Nike / Air Max sneaker community

Nike identifies March 26 as Air Max Day, an annual celebration of Nike Air, and states that the day has been observed since 2014. Current Nike material continues to steward the observance.

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.

Independence Day

Bangladesh

Bangladesh’s Constitution expressly identifies 26 March 1971 as the independence-proclamation date, and current government information confirms recurring Independence and National Day obser…

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 Thomas and Ruth Roy as creators of the collection; no launch year or formal legal sta…

Martyrs’ Day

Mali / national public holiday and March 1991 remembrance commemoration

Current Malian official sources identify March 26 as Journée des Martyrs tied to victims of the March 1991 events; official diplomatic information lists it among public holidays.

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 observed March 26; health-awareness campaign, not medical advice or a public holiday

Purple Day’s official site says Cassidy Megan created the idea in 2008, the Epilepsy Association of the Maritimes helped develop it, and Cassidy, EAM and the Anita Kaufmann Foundation launc…

International Medical Science Liaison Day

International / Medical Science Liaison Society professional-recognition day

The Medical Science Liaison Society identifies 27 March as International MSL Day, states that the first annual activities began on 27 March 2020, and explains that March 27 was chosen becau…

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 on March 27.

Wellcat’s first-party holiday calendar lists Quirky Country Music Song Titles Day on March 27; Wellcat’s preserved media coverage identifies Thomas and Ruth Roy as creators of the named day…

World Theatre Day

International Theatre Institute / international theatre-community observance

International Theatre Institute first-party material verifies that ITI initiated World Theatre Day in 1961, that it has been celebrated annually on March 27 since the first 1962 observance,…

British Summer Time begins

United Kingdom

GOV.UK states the reusable UK rule: clocks go forward one hour at 1am on the last Sunday in March. UK Parliament material documents William Willett’s campaign and the Summer Time Act 1916 h…

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

The Tibet Autonomous Region legislature adopted March 28 as Serfs' Emancipation Day on January 19, 2009; contemporaneous official reporting verifies the first 2009 observance and regional g…

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…

Knights of Columbus founding anniversary

Knights of Columbus / organizational founding anniversary

The Knights of Columbus official history states that the Order assumed corporate status on March 29, 1882, an anniversary the Order recognizes as Founder’s Day. The current charter independ…

National Mom and Pop Business Owners Day

United States / small-business appreciation observance

A New York State Senate resolution states that Rick and Margie Segel established the observance and that it is celebrated every March 29. A 2010 Ford release quoting Rick Segel ties March 2…

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.

International Day of Zero Waste

United Nations / international observance

A/RES/77/161

National Doctors’ Day

United States / physician-appreciation observance

AMA history places the first Doctors’ Day in Winder, Georgia in 1933; Missouri State Medical Association history credits Eudora Brown Almond with conceiving the observance and explains the…

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…

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.

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.

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…

World Backup Day

Independent global data-backup and digital-preservation awareness campaign / March 31; not a legal or cybersecurity compliance standard

The active World Backup Day first-party site verifies March 31, describes an origin on Reddit among concerned users, maintains current stewardship, and explains that the date was chosen as…