Source-backedFixed AnnualIn-depth guide
Abai Day
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…
Topic facet
Commemoration observances
Commemorative dates that mark people, events or shared historical memory.
About this facet
Commemoration pages focus on remembering people, events, institutions or turning points. Tone should match the event: some are solemn, some civic and some celebratory.
Scope note: Commemorative importance and present-day legal holiday status are separate facts and are not inferred from one another.
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Reviewed depth
In-depth guides in Commemoration
These pages include reviewed meaning, history, activities, facts and FAQs in addition to the underlying observance record.
Source-backedFixed AnnualIn-depth guide
Anexión del Partido de Nicoya
Costa Rica’s Ministry of Public Education marks 25 July as the anniversary of the Annexation of the Partido de Nicoya.
Source-backedFixed AnnualIn-depth guide
Anniversary of Vietnam’s August Revolution
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…
Source-backedFixed AnnualIn-depth guide
Black Press Day
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…
Source-backedFixed AnnualIn-depth guide
Bonfire Night
UK Parliament documents the 1606 Thanksgiving Act and annual 5 November commemoration after the Gunpowder Plot; current GOV.UK material continues to recognize Bonfire Night in fireworks-law…
Source-backedFixed AnnualIn-depth guide
Bunker Hill Day
Massachusetts law gives June 17 Bunker Hill Day legal-holiday status with respect to Suffolk County only while requiring public offices there to remain open; NPS ties the date to the June 1…
35 observances
All observances
Source-backedFixed AnnualIn-depth guide
Abai Day
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…
Source-backedFixed AnnualIn-depth guide
Anexión del Partido de Nicoya
Costa Rica’s Ministry of Public Education marks 25 July as the anniversary of the Annexation of the Partido de Nicoya.
Source-backedFixed AnnualIn-depth guide
Anniversary of Vietnam’s August Revolution
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…
Source-backedFixed AnnualIn-depth guide
Black Press Day
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…
Source-backedFixed AnnualIn-depth guide
Bonfire Night
UK Parliament documents the 1606 Thanksgiving Act and annual 5 November commemoration after the Gunpowder Plot; current GOV.UK material continues to recognize Bonfire Night in fireworks-law…
Source-backedFixed AnnualIn-depth guide
Bunker Hill Day
Massachusetts law gives June 17 Bunker Hill Day legal-holiday status with respect to Suffolk County only while requiring public offices there to remain open; NPS ties the date to the June 1…
Source-backedFixed AnnualIn-depth guide
Chester Greenwood Day
Maine law designates 21 December each year as Chester Greenwood Day, directs the governor to issue an annual proclamation, and traces the section to Public Law 1977, chapter 262.
Source-backedFixed AnnualIn-depth guide
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.
Source-backedFixed AnnualIn-depth guide
Día de la Dignidad Nacional (Bolivia)
Bolivia’s Ministry of Foreign Affairs documents 17 October as Día de la Dignidad Nacional and records its establishment by law in 2013.
Source-backedRule Based AnnualIn-depth guide
Día de las Mujeres y Hombres Próceres de Puerto Rico
Puerto Rico OGP’s current compilation of Law 111-2014, as amended, declares the third Monday in February each year an official holiday in the Government of Puerto Rico under the name Día de…
Source-backedFixed AnnualIn-depth guide
Día de Lempira / Día de la Identidad Nacional
Honduras Decree No. 80-96 declares July 20 a national civic festival called Día de Lempira and repeals the 1935 decree; education authorities also use Día de la Identidad Nacional for July…
Source-backedFixed AnnualIn-depth guide
Día del Soldado Hondureño / Francisco Morazán birth anniversary
Honduras’s Secretariat of National Defense repeatedly identifies October 3 as Día del Soldado Hondureño on Francisco Morazán’s birth anniversary, and its historical record attributes the de…
Source-backedFixed AnnualIn-depth guide
Elizabeth Peratrovich Day
Alaska State Archives documents 1988 AS 44.12.065 and 1945 Anti-Discrimination Act; governor proclaimed February 16 2026
Source-backedFixed AnnualIn-depth guide
Evacuation Day
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…
Source-backedFixed AnnualIn-depth guide
Fundación de Panamá la Vieja / Foundation of Panama Viejo
Panama’s Law 14 of 20 January 1955 recognizes 15 August 1519 as the foundation date of Panama City and declares 15 August each year a holiday for the District of Panama; municipal and herit…
Source-backedFixed AnnualIn-depth guide
Grito de Independencia / Grito de Dolores
Mexico’s Presidency verifies the September 15 national ceremony; Defense Ministry history places the historical Grito in the early hours of September 16, 1810, distinct from the September 1…
Source-backedFixed AnnualIn-depth guide
Guru Ghasidas Jayanti
Chhattisgarh government sources identify 18 December as Guru Ghasidas’s birth anniversary and describe the Jayanti as celebrated every year in the state; the High Court’s 2026 calendar sepa…
Source-backedFixed AnnualIn-depth guide
Haryana Day
Haryana government sources identify 1 November with Haryana’s formation as a separate state in 1966 and commemorate Haryana Day.
Source-backedFixed AnnualIn-depth guide
Hiroshima Peace Memorial Ceremony / 6 August remembrance
Hiroshima City holds the Peace Memorial Ceremony every year on 6 August and traces the ceremony/Peace Declaration lineage to a 6 August 1947 ceremony during the Peace Festival.
Source-backedFixed AnnualIn-depth guide
International Sagarmatha (Mount Everest) Day
Government of Nepal / Nepal Tourism Board evidence supports annual May 29 International Sagarmatha Day, a first 2008 programme and continuing Ministry/NTB/NMA involvement, commemorating Ten…
Source-backedFixed AnnualIn-depth guide
Keti Koti
Public-institution sources connect Keti Koti on 1 July to the formal abolition of slavery on 1 July 1863, while preserving the additional ten-year state-supervision period in Suriname and d…
Source-backedFixed AnnualIn-depth guide
Liberation Revolution Day / Revolution Day (Algeria)
Algerian government diplomatic sources list November 1 as Liberation Revolution Day, a national public holiday, and tie the date to the outbreak of the Revolution on 1 November 1954.
Source-backedFixed AnnualIn-depth guide
Mabo Day
AIATSIS directly identifies Mabo Day as celebrated on 3 June each year; Australian government legal material verifies the 3 June 1992 High Court decision and separates the later Native Titl…
Source-backedFixed AnnualIn-depth guide
Natalicio de José Gervasio Artigas
Uruguay’s Ministry of Education and Culture commemorates José Gervasio Artigas’s birth on 19 June.
Source-backedFixed AnnualIn-depth guide
National Unity Day / Day of People’s Unity (Russia)
Federal Laws No. 201-FZ and 200-FZ of December 29, 2004 established the modern November 4 statutory framework effective January 1, 2005; the legal holiday is kept distinct from the 1612 eve…
Source-backedFixed AnnualIn-depth guide
Oklahoma City Bombing Anniversary / Annual Remembrance Ceremony
The Oklahoma City National Memorial & Museum maintains an annual April 19 Remembrance Ceremony and NPS anchors the memorial scope. Proclamation 6880 designated April 19, 1996 as a one-time…
Source-backedFixed AnnualIn-depth guide
Parakram Diwas
Government of India announced on January 19, 2021 that January 23 would be celebrated every year as Parakram Diwas, stated that a Gazette notification had been published, began the 125th-an…
Source-backedEdition SpecificIn-depth guide
Paso a la Inmortalidad del General Don Martín Miguel de Güemes
Argentina’s Law 27,258 establishes the 17 June national holiday commemorating General Martín Miguel de Güemes; Law 27,399 classifies 17 June as a transferable national holiday, so the obser…
Source-backedFixed AnnualIn-depth guide
Primer Grito de Independencia / 10 de Agosto de 1809
Ecuador government sources anchor the historical commemoration to August 10, 1809 and treat August 10 as a mandatory national holiday subject to the country’s statutory transfer rules.
Source-backedFixed AnnualIn-depth guide
Prince Jonah Kūhiō Kalanianaʻole Day
Hawaiʻi law designates 26 March as Prince Jonah Kūhiō Kalanianaʻole Day.
Source-backedFixed AnnualIn-depth guide
Ronald Reagan Day
The California Department of Education states that 6 February of each year is designated and set apart as Ronald Reagan Day pursuant to Education Code section 37222, with schools encouraged…
Source-backedFixed AnnualIn-depth guide
Statehood Day of Bosnia and Herzegovina / Dan državnosti Bosne i Hercegovine
The Presidency of Bosnia and Herzegovina marks November 25 as Statehood Day tied to the first ZAVNOBiH session in 1943. Federation government notices cite the 1995 Statehood Day law and app…
Source-backedRule Based AnnualIn-depth guide
Terry Fox Day
Legislative Assembly / Laws of Manitoba
Source-backedFixed AnnualIn-depth guide
Vijay Diwas
Government of India material states that Vijay Diwas is observed every 16 December to commemorate India’s 1971 victory, with current national and military remembrance programming documented…
Source-backedFixed AnnualIn-depth guide
White Shirt Day
UAW sources describe White Shirt Day as an annual 11 February remembrance of the Flint Sit-Down Strike victory and worker dignity.