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Birth Anniversary of His Majesty the King
Bhutan’s Ministry of Home Affairs 2026 government-holiday calendar lists the Birth Anniversary of His Majesty the King for 21–23 February 2026.
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Civic, Remembrance & History observances
Public life, national and local remembrance, historical anniversaries, institutions and civic identity.
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Birth anniversary of Manlilikha ng Bayan Masino Intaray
The DILG Aurora advocacy calendar lists the birth anniversary of Manlilikha ng Bayan Masino Intaray on April 10 and gives 1943 as the birth year.
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Birth anniversary of National Artist Atang de la Rama
The DILG Aurora advocacy calendar lists the birth anniversary of National Artist Atang de la Rama on January 11 and gives 1902 as the birth year.
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Birth anniversary of National Artist Lino Brocka
The DILG Aurora advocacy calendar lists the birth anniversary of National Artist Lino Brocka on April 3 and gives 1939 as the birth year.
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Birth Anniversary of National Artist Napoleon V. Abueva
The NCCA gives Napoleon Abueva’s birth date as 26 January 1930, and the National Museum explicitly commemorates his birth anniversary on 26 January.
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Birth Anniversary of President Ramon Magsaysay
Republic Act No. 7792 declares 31 August each year a special nonworking public holiday in the Province of Zambales to commemorate former President Ramon Magsaysay’s birth anniversary; curre…
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Birth Anniversary of Simón Bolívar
Current Venezuelan diplomatic and foreign-ministry publications commemorate Simón Bolívar’s birth anniversary on 24 July, including the 243rd anniversary in 2026. The date is a stable histo…
Source-backedHistorical Legacy
Birthday of Emperor Emeritus Akihito
The Imperial Household Agency records Akihito’s birth on 23 December 1933 and abdication on 30 April 2019. The Cabinet Office says Japan’s current Emperor’s Birthday holiday is 23 February…
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Birthday of Martin Luther King, Jr.
5 U.S.C. §6103 lists the Birthday of Martin Luther King, Jr. on the third Monday in January as a legal public holiday.
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Bonifacio Day
Philippine Presidential proclamation and Republic Act 8491
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British Columbia Day
British Columbia Day Act
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Buffalo Soldiers Day, 1992
President George H. W. Bush proclaimed July 28, 1992 as Buffalo Soldiers Day after Congress designated that date for the commemoration.
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Bunker Hill Day
Massachusetts General Laws include Bunker Hill Day on 17 June as a legal holiday with respect to Suffolk County only, while also specifying that public agencies remain open.
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California Admission Day
California Department of Education / California State Parks
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Canada Day
Canadian Heritage, Government of Canada
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Canberra Day
ACT Government public-holiday calendar and ACT place-name history
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Canterbury Anniversary Day / Christchurch Show Day observance
Employment New Zealand’s 2026 table lists Canterbury’s actual anniversary date as 16 December and the observed date as Friday 13 November, explaining that northern and central Canterbury ob…
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Capital Day (Kazakhstan)
Government of the Republic of Kazakhstan
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Captive Nations Week
U.S. Joint Resolution approved 17 July 1959 (73 Stat. 212) and annual presidential proclamation
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Central African Republic national day / Republic Day
Finland's Ministry for Foreign Affairs diplomatic national-day registry lists the Central African Republic on December 1.
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Central Province public holiday
The Solomon Islands Gazette No. 157 appoints 29 June as the Central Province public holiday for 2026.
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Chakri Memorial Day
Royal Thai Consulate-General, Ministry of Foreign Affairs
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Chatham Islands Anniversary Day
Employment New Zealand’s 2026 anniversary table lists the Chatham Islands actual and observed anniversary date as 30 November.
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Children of Fallen Patriots Day
Michigan's governor proclaimed May 13, 2019 as Children of Fallen Patriots Day, and current state/local government calendars continue to recognize May 13.
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Chile Independence Day
The Organization of American States’ current country page lists Chile National Independence Day as 18 September.
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Choiseul Province public holiday
The Solomon Islands Gazette No. 157 appoints 25 February as the Choiseul Province public holiday for 2026.
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Civic Holiday
Government of Ontario regulations and holiday bulletin
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Coast Guard Birthday
The U.S. Coast Guard marks its birthday on 4 August.
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Coast Guard Reserve Birthday
The U.S. Coast Guard Reserve’s official history identifies 19 February as the Reserve’s birthday.
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College Student Grief Awareness Day
Multiple observance references place College Student Grief Awareness Day on the third Thursday in April and attribute it to Actively Moving Forward; HealGrief hosts the current AMF college-…
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Colombia Independence Day
The Organization of American States’ current country page lists Colombia National Independence Day as 20 July.
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Colorado Day
Colorado Revised Statutes
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Columbus Day
5 U.S.C. §6103
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Combate Naval de Angamos
The Peruvian Navy’s official 2025 programme and ceremony material commemorates the Battle of Angamos on 8 October together with the Navy’s institutional anniversary.
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Commemoration Day
UAE government sources state that Commemoration Day is observed annually on 30 November to honor those who died in service to the nation
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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 President Cyprien Ntaryamira
Burundi’s official holiday information lists 6 April for the assassination of President Cyprien Ntaryamira, and the Presidency documented the 32nd-anniversary national commemoration in Apri…
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Commemoration of the abolition of slavery — French Guiana
French Labour Code article L3422-2 designates 10 June in French Guiana (Guyane) as a public holiday for the commemoration of the abolition of slavery.
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Commemoration of the abolition of slavery — Guadeloupe
French Labour Code article L3422-2 designates 27 May in Guadeloupe as a public holiday for the commemoration of the abolition of slavery.
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Commemoration of the abolition of slavery — Martinique
French Labour Code article L3422-2 designates 22 May in Martinique as a public holiday for the commemoration of the abolition of slavery.
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Commemoration of the abolition of slavery — Saint-Barthélemy
French Labour Code article L3422-2 designates 9 October in Saint-Barthélemy as a public holiday for the commemoration of the abolition of slavery.
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Commemoration of the abolition of slavery — Saint-Martin
French Labour Code article L3422-2 currently designates 27 May in Saint-Martin as a public holiday for the commemoration of the abolition of slavery.
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Commemoration of the Assassination of President Melchior Ndadaye
Ministry of Foreign Affairs, Republic of Burundi
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Commemoration of the Assassination of Prince Louis Rwagasore
Ministry of Foreign Affairs, Republic of Burundi
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Commemoration of the Battle of Vertières
The Government of Haiti documented official activities on 18 November 2025 marking the 222nd anniversary of the Battle of Vertières.
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Commemoration of the Charter of National Unity
The Presidency of Burundi marked 5 February 2026 as the 35th commemoration of the Charter of National Unity at the Unity Memorial.
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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 Martyrs of 9 January 1964
The Presidency of Panama’s January 9, 2026 commemoration honors the martyrs of the events of January 9, 1964 and marks the 62nd anniversary.
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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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Commonwealth Day
Canadian Heritage confirms the second-Monday-in-March recurrence and that the day is an observance, not a Canadian statutory holiday
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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
Turkmenistan government states the national observance is celebrated every year on 18 May
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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
Korea.net, the Republic of Korea’s official government portal, identifies 17 July as Constitution Day and links it to the Constitution’s proclamation on 17 July 1948.
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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
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Cook Islands — Constitution Day on 4 August. The source verifies the diplomatic national-da…
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Constitution Day
The Republic of the Marshall Islands Embassy country profile lists Constitution Day on May 1 among the country’s national holidays and notes adoption of the Constitution on May 1, 1979.
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Constitution Day
Seychelles official sources list Constitution Day on 18 June, and State House describes it as observed annually.
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Constitution Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Slovak Republic — Constitution Day on 1 September. The source verifies the diplomatic natio…
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Constitution Day
The Government of Vanuatu holiday register lists Constitution Day on 5 October as a national holiday.
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Constitution Day / Belau Constitution Day
The Embassy of Japan in Palau lists 9 July 2026 as Constitution Day; its historical country reporting also records the naming “Belau Constitution Day.”
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Constitution Day and Citizenship Day
The U.S. Courts’ official educational observance page identifies Constitution Day and Citizenship Day around 17 September, the anniversary of the Constitution’s signing.
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Constitution Day of the Republic of Armenia
The Government of Armenia identifies July 5 as Constitution Day, tied to the 1995 constitutional referendum.
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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 Cabinet Office identifies Constitution Memorial Day on 3 May and explains that it commemorates the enforcement of the Constitution and hopes for national development.
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Constitution of Ireland (Bunreacht na hÉireann)
The official constitutional text states that Bunreacht na hÉireann was enacted by the people on 1 July 1937 and came into operation on 29 December 1937.