2,411 researched observances. Search for a specific name or known alternate name.
French official remembrance guidance cites the 1922 law fixing the annual Victory and Peace commemoration on 11 November, the anniversary of the 1918 Armistice; current law also extends the…
The Finnish Government states that 112 Day is observed every year on 11 February to raise awareness about safety and correct use of the emergency number.
TBMM records document the 25 October 2016 legal amendment establishing July 15 as Democracy and National Unity Day; TBMM records document the 2017 first post-designation anniversary observa…
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.
Libyan News Agency reporting of Government of National Unity 2026 official commemoration programme
Nicaragua’s current Labor Code framework lists 19 July among mandatory national holidays with paid rest. Official National Assembly historical material identifies 19 July 1979 with the Sand…
Hungary’s Fundamental Law names 20 August as a national holiday commemorating the foundation of the state and King Saint Stephen and identifies it as the official state holiday; current Hun…
Hungary’s Fundamental Law names 23 October as a national holiday commemorating the 1956 Revolution and War of Independence. Government historical material also notes the proclamation of the…
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.
Presidency of Panama official 5 November 2025 patriotic ceremonies in Colón
Official Turkmen government material verifies the national observance on the first Sunday in April, including a 2014 presidential decree and government-led celebrations. Original creator an…
Government Resolution No. 495 of 4 August 2020 added Abai Day — 10 August — to Kazakhstan’s official list of commemorative/holiday dates; current government material continues to mark the d…
Mauritius’s current Public Holidays Act lists the Day of commemoration of Abolition of Slavery on 1 February; government history and current commemorations connect the date with abolition i…
Run 4 Wales verifies the Newport Marathon launch in 2018 and the ABP Newport Marathon Festival on 19 April 2026. The event date is edition-specific and future years require organizer refres…
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…
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.
IAAP states that the observance began in 1952 and publishes current/future Administrative Professionals Day dates. Administrative-professional associations document the modern recurrence as…
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.
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The official Government of The Gambia holiday list names May 25 as African Liberation Day (African Day).
Ageing Australia states that Aged Care Employee Day is held annually on August 7 and its 2026 release recognizes workers across aged care, retirement living and seniors housing.
India’s Ministry of Defence, via the Press Information Bureau, documents the Indian Air Force anniversary and Air Force Day on October 8 in official 2025 communications, supporting the fixe…
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.
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…
The American Kennel Club designated September 17, the anniversary of the AKC’s founding, as AKC Responsible Dog Ownership Day and continues to publish the observance through its Responsible…
Algerian official sources identify 5 July 1962 as Independence Day and current 2026 government-linked notices confirm 5 July as a paid holiday.
20th Century Studios’ official Alien page preserves first-party “Alien Day” franchise videos; studio-backed franchise activity has used 26 April as Alien Day.
The Animal Medical Center repeatedly lists All-American Pet Photo Day on July 11 in annual pet-holiday calendars.
Alpha Kappa Alpha Sorority, Incorporated states that it was founded at Howard University on January 15, 1908, and its current first-party events calendar lists Founders Day on January 15. T…
ARMAD was founded by Emery McClendon in 2003. Contemporary ARMAD references place the annual event on the Saturday of U.S. Memorial Day weekend.
Keep America Beautiful identifies America Recycles Day on November 15 as its national recycling-awareness program
Arizona Revised Statutes §1-301 enumerates American Family Day on the first Sunday in August and excludes it from the following-Monday substitution rule; origin details remain unresolved in…
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.
Costa Rica’s Ministry of Public Education marks 25 July as the anniversary of the Annexation of the Partido de Nicoya.
Costa Rica’s Ministry of Labour identifies July 25, the Annexation of the Partido de Nicoya, as a mandatory paid holiday under Labour Code article 148; Ministry of Culture material document…
San Marino official sources list 25 March as the Anniversary of the Arengo of 1906, alongside the Feast of the Militias.
Cuba’s official tourism portal lists 10 October as the Anniversary of the Beginning of the Wars of Independence and identifies it as a national commemoration date.
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…
San Marino official holiday calendars list 28 July as the Anniversary of the Fall of Fascism and Freedom Day.
Current Chinese official sources mark July 1 as the CPC founding anniversary; Shanghai Archives explains that July 1 is a symbolic anniversary fixed in 1941 while the First CPC National Con…
The Auschwitz-Birkenau State Museum dates the liberation of Auschwitz to 27 January 1945 and continues to organize the annual liberation-anniversary commemoration on 27 January.
San Marino’s official holiday information lists 5 February as the anniversary of liberation of the Republic from Cardinal Alberoni’s occupation, together with the feast of Saint Agatha.
Morocco’s official national-holiday page lists August 14 under the title Anniversary of the Recovery of Oued Ed-Dahab; the United Nations continues to list Western Sahara as a Non-Self-Gove…
Morocco’s official national-holiday page lists 20 August as the Anniversary of the Revolution of the King and the People; royal materials provide the national historical framing.
Canadian Heritage states that the anniversary of the Statute of Westminster is celebrated each year on December 11 and describes the associated federal flag protocol.
Paraguay’s Law No. 7544/2025 lists 29 September, Day of the Battle of Boquerón, as a national holiday and permits the Executive to move its observed holiday to an adjacent Monday; governmen…
Vietnam Government and Vietnam News Agency material consistently commemorate August 19 as the anniversary of the August Revolution of 1945; the reviewed sources support a recurring national…
Anosmia Awareness states that the observance began in 2012 and is observed every February 27; Monell independently identifies Daniel Schein as its founder.
The first-party Wellcat Holidays calendar lists Answer Your Cat’s Question Day on January 22 and identifies the collection as created by Thomas and Ruth Roy; Cats Protection supplies welfar…
The American Anthropological Association (AAA) currently presents Anthropology Day on the third Thursday in February. An AAA-issued 2015 press release documents the inaugural National Anthr…
Croatia’s current Holidays Act lists 22 June as Anti-Fascist Struggle Day among the Republic’s holidays and non-working days; the foreign ministry’s 2026 calendar also lists it on 22 June.
VLCC’s own Foundation page marks November 26 as Anti-Obesity Day; a VLCC-issued 2019 release says it has observed the date annually since 2001, and founder Vandana Luthra has described laun…
The Organization of American States’ current country page lists Antigua and Barbuda National Independence Day as 1 November.
Australian Department of Veterans’ Affairs sources verify 25 April as Anzac Day every year, state that Acting Prime Minister George Pearce officially named 25 April ‘Anzac Day’ in 1916, and…
The Aortic Dissection Charitable Trust states that Aortic Dissection Awareness Day occurs every September 19 and identifies Timo Söderlund as the founder of the awareness-day initiative.
The American Kidney Fund provides an AMKD Awareness Day proclamation template that places the observance on the last Tuesday of each April, and its 2026 campaign materials mark 28 April 202…
Republic Act No. 9430 declares July 23 each year a special working holiday in Tanauan City known as Apolinario Mabini Day to commemorate Mabini’s birth anniversary; NHCP confirms his 23 Jul…
Common Ground states that Apple Day was launched on 21 October 1990 and describes year-after-year local celebrations; its own canonical name is “Apple Day.”
Creator-linked and publishing references identify Donita K. Paul as the 2004 creator of Appreciate a Dragon Day and January 16 as its recurring date.
United Nations language observance
Philippine legislation establishes the observance and its statutory date framework; Proclamation No. 1006 sets the 2026 observed holiday on 9 April, while other years can differ under law o…
Arbor Day Foundation history verifies J. Sterling Morton’s January 4, 1872 proposal, the first Arbor Day on April 10, 1872, the 1874 Nebraska proclamation, the 1885 state-holiday stage and…
Ugandan government sources list February 16 as Archbishop Janan Luwum Day/Janan Luwum Day and a public holiday; current State House material documents the annual national commemoration, whi…
Argentina’s Law 27,399 lists July 9, Independence Day, among fixed non-transferable national holidays. Argentina’s official historical material identifies July 9, 1816 as the date the Congr…
The State of Arizona Research Library’s Arizona Memory Project identifies February 14, 1912 as Arizona Statehood Day and records Arizona becoming the 48th state that day. This guide treats…
Government of India Ministry of Defence / Press Information Bureau material identifies December 7 as Armed Forces Flag Day, states that it has been observed throughout India since 1949, and…
Armenia’s legal-information system records the 21 September 1991 independence referendum, the 24 September 1991 decision making September 21 a festive non-working day, and the current Holid…
France’s official Service-Public holiday tables list Armistice 1918 on 11 November in the overseas legal-holiday framework, supporting the fixed date applicable to French Guiana within that…
India's Press Information Bureau states that Army Day is celebrated every year on January 15 and documents current Army Day observances.
DARPA and UCLA document the first host-to-host ARPANET message on October 29, 1969. “National Internet Day” is retained only as a search/legacy alias for this historical anniversary, not as…
Mauritius Public Holidays Act lists the Day of commemoration of Arrival of Indentured Labourers on 2 November. The 2015 amendment states that listed public holidays are observed every year,…
