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Columbus Day
5 U.S.C. §6103
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Civic, Remembrance & History observances
Public life, national and local remembrance, historical anniversaries, institutions and civic identity.
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638 observances
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Commemoration Day
Current UAE government sources identify November 30 as Commemoration Day and state that President Sheikh Khalifa bin Zayed Al Nahyan declared the observance in 2015 in remembrance of Salem…
Source-backedEdition SpecificIn-depth guide
Commemoration Day of the King Father (Norodom Sihanouk)
Cambodian government 2026 holiday calendars identify 15 October as the Commemoration Day of the King Father, Norodom Sihanouk.
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Commemoration of the abolition of slavery — French Guiana
French Law no. 83-550 established the territorial abolition-commemoration public-holiday framework, Decree no. 83-1003 fixed 10 June for French Guiana, and current Labour Code article L3422…
Source-backedFixed AnnualIn-depth guide
Commemoration of the abolition of slavery — Guadeloupe
French Law no. 83-550 established the territorial abolition-commemoration public-holiday framework, Decree no. 83-1003 fixed 27 May for Guadeloupe, and current Labour Code article L3422-2 p…
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Commemoration of the abolition of slavery — Martinique
French Law no. 83-550 established the territorial abolition-commemoration public-holiday framework, Decree no. 83-1003 fixed 22 May for Martinique, and current Labour Code article L3422-2 p…
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Commemoration of the abolition of slavery — Saint-Barthélemy
French Decree no. 2012-553 added Saint-Barthélemy to the territorial abolition-commemoration schedule with 9 October, and current Labour Code article L3422-2 lists that day as a public holi…
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Commemoration of the abolition of slavery — Saint-Martin
French Decree no. 2012-553 specifically added Saint-Martin to the territorial abolition-commemoration schedule with 27 May annually; current Labour Code article L3422-2 lists the Saint-Mart…
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Commemoration of the Assassination of President Melchior Ndadaye
Ministry of Foreign Affairs, Republic of Burundi
Source-backedFixed AnnualIn-depth guide
Commemoration of the Assassination of Prince Louis Rwagasore
Ministry of Foreign Affairs, Republic of Burundi
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Commemoration of the liberation struggle of 29 March 1947
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…
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Commemoration of the Revolution of 20 October 1944
Guatemala government materials commemorate 20 October as the anniversary of the October Revolution of 1944 and organize official cultural events around the date.
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Commemoration of the Surrender of General Tomoyuki Yamashita
Republic Act No. 11120
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Commonwealth Covenant Day
CNMI Office of the Registrar
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Confederate Heroes Day
The Texas State Library lists Confederate Heroes Day on 19 January as an official partial-staffing state holiday and documents its 1973 statutory consolidation; the current FY2027 state sch…
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Constitution and State Flag Day
Current Turkmenistan government material verifies annual Constitution and State Flag Day on May 18; official historical material dates adoption of the Constitution to 18 May 1992.
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Constitution Day
The Government of Andorra’s official embassy holiday calendar lists 14 March as Constitution Day.
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Constitution Day
Thailand’s Board of Investment official 2026 holiday information lists 10 December 2026 as Constitution Day.
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Constitution Day
Republic of Korea government sources identify 17 July as Constitution Day, commemorating the Constitution promulgated on 17 July 1948. National Archives records trace its statutory national…
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Constitution Day
The Government of Uzbekistan identifies 8 December as Constitution Day and states that it is a national public holiday.
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Constitution Day
Cook Islands government sources verify Constitution Day on 4 August, current public-holiday status, and the anniversary of self-government in free association beginning on 4 August 1965.
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Constitution Day
Republic of the Marshall Islands parliamentary and diplomatic sources verify May 1 Constitution Day, the Constitution’s May 1, 1979 parliamentary commencement date, and current national-hol…
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Constitution Day
Seychelles government sources list Constitution Day as a public holiday on 18 June, connect the date with the 1993 constitutional referendum/adoption, and document the 2015 transition from…
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Constitution Day
Slovak law lists 1 September as Constitution Day of the Slovak Republic; parliamentary history ties the date to adoption of the Constitution on 1 September 1992, while current government gu…
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Constitution Day
Vanuatu’s Prime Minister’s Office lists Constitution Day on October 5 as a national public holiday; Parliament provides the official 1979–1980 constitutional history while leaving the Octob…
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Constitution Day and Citizenship Day
36 U.S.C. §106 designates September 17 as Constitution Day and Citizenship Day and states that it commemorates the Constitution’s signing on September 17, 1787 and recognizes citizens. Publ…
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Constitution Day of the Republic of Armenia
Official Armenian government and presidential sources identify July 5 as Constitution Day and tie it to the national referendum that adopted the Constitution on 5 July 1995.
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Constitution Day of the Republic of Belarus
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…
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Constitution Day of the Republic of Indonesia
Indonesian government statistical-agency pages identify 18 August as Constitution Day of the Republic of Indonesia and describe it as an annual commemoration.
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Constitution Day of the Republic of Kosovo
The Office of the President of Kosovo marked Constitution Day on April 9, 2026; earlier Prime Minister communications also identify April 9 as Constitution Day.
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Constitution Day of Ukraine
The President of Ukraine’s 28 June 2026 address explicitly marks Constitution Day of Ukraine.
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Constitution Memorial Day
Japan’s current government holiday guidance identifies Constitution Memorial Day on 3 May, explains that it commemorates the Constitution taking effect on 3 May 1947, and states that the ho…
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Cosmonautics Day
Current Russian government material recognizes April 12 as Cosmonautics Day; the United Nations independently verifies 12 April 1961 as Yuri Gagarin’s first human space flight, which anchor…
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Cyprus National Day
Official Cyprus diplomatic material lists Cyprus National Day on 1 April among the country’s public holidays.
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Czech Statehood Day
Current Czech law lists 28 September as Czech Statehood Day; the page’s St. Wenceslas wording is a search-facing alias for the statehood observance.
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D-Day / Normandy landings anniversary
U.S. Army material identifies 6 June 1944 as D-Day and provides source material on the Normandy invasion
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Daisy Gatson Bates Day
Arkansas Act 304 of 2001 established Daisy Gatson Bates Day as an official state holiday on the third Monday in February, paired in the state-government holiday statute with George Washingt…
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David Hamilton Jackson (Liberty) Day
The U.S. Virgin Islands Governor has proclaimed 1 November as David Hamilton Jackson (Liberty) Day; current government proclamations continue to identify the observance on 1 November.
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Day of Defenders of Ukraine
Official website of the President of Ukraine
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Day of Goodwill
South African public-holiday framework / government source verification
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Day of Indigenous Resistance
Venezuela’s Ministry of Culture states that 12 October has been commemorated as Día de la Resistencia Indígena since 2002 and continues to publish current anniversary material on that date.…
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Day of International Criminal Justice
At the 2010 Review Conference of the Rome Statute, States Parties adopted the Kampala Declaration and decided to celebrate July 17 as the Day of International Criminal Justice because July…
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Day of Memorial and Respect for Veterans
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
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Day of National Unity
Ministry of Foreign Affairs of Tajikistan
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Day of Recognition and Tribute to the Victims of the Communist Regime
Bulgaria’s State Gazette publishes Council of Ministers Decision No. 37 of 20 January 2011 declaring 1 February the Day of Gratitude and Respect for the Victims of the Communist Regime unde…
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Day of Remembrance for all Victims of Chemical Warfare
OPCW C-20/DEC.10
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Day of the Armed Forces of the Republic of Azerbaijan
Azerbaijan Ministry of Defence and presidential sources verify 26 June Armed Forces Day, the 22 May 1998 presidential order establishing the observance, and the June 26, 1918 historical dat…
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Day of the Beginning of the Armed Struggle for National Liberation
Angola government sources identify 4 February as the Day of the Beginning of the Armed Struggle for National Liberation and document the 2026 national commemoration; the Health Ministry not…
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Day of the Burning of Master Jan Hus
Current Czech law lists 6 July as the Day of the Burning of Master Jan Hus among the state holidays of the Czech Republic.
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Day of the First President of the Republic of Kazakhstan
Kazakhstan’s 2011 law created December 1 First President’s Day as a state holiday; 2022 legal changes removed it from the non-working holiday law and Government Resolution No. 956 retained…
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Day of the Martyrs of Liberty
The government holiday guide lists 3 February as Day of the Martyrs of Liberty, and the current Labour Code lists 3 February among mandatory public holidays; the date commemorates the Batep…
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Day of the National Anthem and Flag (Dia di Himno i Bandera)
Curaçao government material documents the 2 July 1984 inauguration of Dia di Bandera and explains the July 2 historical rationale; the current government portal lists Dia di Himno i Bandera…
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Day of the National Flag
Romania’s Law No. 96/1998 proclaims 26 June as National Flag Day and sets commemorative duties for public authorities and institutions; current government material confirms continuing obser…
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Day of the Restoration of the State of Lithuania
Lithuanian government material lists 16 February as the Day of the Restoration of the State of Lithuania; official parliamentary history ties the date to the Act of Independence signed on 1…
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Day of the State (Coronation of King Mindaugas)
Lithuanian law and government material designate 6 July as the Day of the State associated with the coronation of King Mindaugas. The modern statutory date is clear; the exact medieval coro…
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Day of the State Flag of the Russian Federation
Current EMERCOM material states that the Day of the State Flag of the Russian Federation is observed annually on 22 August and was established by Presidential Decree No. 1714 of 20 August 1…
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Day of Uprising Against the Occupation
The Government of Slovenia lists April 27 as Day of Uprising Against the Occupation among the country’s national holidays.
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Death anniversary of Benazir Bhutto
The December 27 memorial anniversary is anchored to Benazir Bhutto’s death on 27 December 2007; State Bank and contemporaneous reporting document the first anniversary in 2008, while curren…
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Democracy Day (Nigeria)
Federal Nigerian government sources verify June 12 as Democracy Day/public holiday, the first June 12 edition in 2019 and the transition from May 29; legislative/assent records establish th…
Source-backedFixed AnnualIn-depth guide
Dia da Independência Nacional
Angola government material identifies 11 November as National Independence Day and commemorates the proclamation of independence in 1975.
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Dia da Região Autónoma da Madeira e das Comunidades Madeirenses
The Regional Government of Madeira publishes the official 1 July programme for the Day of the Autonomous Region of Madeira and Madeiran Communities.
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Dia da Restauração da Independência
Portugal’s Armed Forces commemorated Dia da Restauração da Independência on 1 December 2025, marking the restoration of national sovereignty in 1640; the Government’s national-holiday regis…
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Dia di Boneiru, Dia di Himno i Bandera
The Dutch central government lists 6 September for Bonaire as Dia di Boneiru, Dia di Himno i Bandera; Bonaire’s public body called 6 September 2026 its national day and published the offici…
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Día de Acción por la Tolerancia y el Respeto entre los Pueblos
Argentina Law 26.199
Source-backedFixed AnnualIn-depth guide
Día de Duarte / birth anniversary of Juan Pablo Duarte
Dominican Republic Ministry of Labour annual holiday calendar published through the Presidency
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Día de la Abolición de la Esclavitud (Abolition of Slavery Day)
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.
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Día de la Bandera
Argentina’s official government portal states that Law 12,361 fixed 20 June as Flag Day, and the official legal database records the law declaring that date Día de la Bandera.
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Día de la Bandera / Mexican Flag Day
Mexico’s federal government identifies February 24 as Mexican Flag Day and documents its annual observance.
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Día de la Batalla de Boyacá
Colombia’s Ministry of Foreign Affairs confirms 7 August 2026 as the commemoration of the Battle of Boyacá and a holiday in Colombia.
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Día de la Batalla de Rivas
Costa Rica Legislative Assembly and cultural-history sources verify April 11 as the annual Battle of Rivas commemoration, the April 11, 1856 historical anchor and Act 8886 later date-protec…
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Día de la Constitución (Day of the Constitution)
Puerto Rico Act No. 1 of August 1, 1952 directly establishes July 25 each year as Día de la Constitución and ties the date to the Constitution taking effect on July 25, 1952.
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Día de la Nación Pluricultural
Mexico’s 2020 federal decree declares 12 October of every year Día de la Nación Pluricultural