Source-backedEdition SpecificIn-depth guide
Independence Day
Nauru’s Constitution defines Independence Day by reference to January 31, 1968, and the Government Gazette lists January 31, 2026 as Independence Day in the public-holiday calendar.
Observance library
Browse all researched observances
2,411 researched observances. Search for a specific name or known alternate name.
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Independence Day
Papua New Guinea’s Constitution identifies 16 September 1975 as Independence Day; government education material documents the House of Assembly date choice and first celebration, while curr…
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Independence Day
Peru’s Congress identifies 28 July 1821 as the national independence proclamation date; current law lists July 28 and 29 as Fiestas Patrias, with July 28 retained as the Independence Day pa…
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Independence Day
Philippine primary legal sources document June 12 observances in 1962 and 1963 and Republic Act No. 4166 permanently changed Independence Day from July 4 to June 12 in 1964.
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Independence Day
Samoa government calendars fix the modern annual Independence Day (Aso Tuto'atasi) on June 1; constitutional evidence separately anchors legal independence to January 1, 1962, so the annual…
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Independence Day
Senegal’s Presidency verifies current April 4 Independence Day recurrence and Law No. 74-52 fixes April 4 as the national holiday while superseding earlier holiday provisions.
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Independence Day
Sierra Leone Parliament verifies the April 27, 1961 independence date and current Presidency/government materials confirm April 27 Independence Day recurrence and public-holiday treatment.
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Independence Day
Suriname government sources verify November 25, 1975 independence and annual November 25 Srefidensi/Independence Day celebration since 1975.
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Independence Day
Togo’s current Constitution states that the national holiday is celebrated every year on April 27, while current Presidency material ties the independence anniversary to 1960.
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Independence Day
Tuvalu law defines Independence Day as October 1, 1978; current public-holiday law separately lists the broader Tuvalu Day holiday on October 1 and 2.
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Independence Day
Uganda State House, Parliament and current public-holiday law verify annual October 9 recurrence, the 1962 independence anchor and current statutory recognition.
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Independence Day
Uruguay Presidency, culture ministry and IMPO legal sources verify the August 25 Declaratoria de la Independencia commemoration, 1825 historical anchor and current paid-holiday treatment.
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Independence Day
Vanuatu government, Electoral Office and Parliament sources verify July 30 Independence Day, the 1980 sovereignty transition and continuing public-holiday recurrence.
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Independence Day
Zambia State House, Parliament and government sources verify October 24, the 1964 independence anchor and continuing national-day/public-holiday recurrence.
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Independence Day (Fourth of July)
U.S. Office of Personnel Management / 5 U.S.C. 6103
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Independence Day / Proclamation anniversary
Indonesia State Secretariat and official presidential holiday regulations verify the August 17 Proclamation anniversary, annual state ceremony and national-holiday framework.
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Independence Day of Kazakhstan
Kazakhstan’s official government portal states that Independence Day is celebrated annually on 16 December and the 2026 holiday schedule lists Kazakhstan Independence Day on 16 December.
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Independence Day of Mongolia
Mongolia Parliament and Legal Information System sources verify December 29, the 1911 independence-restoration anchor, 2007 annual-celebration legislation and current public-holiday status.
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Independence Day of the Republic of Belarus (Day of the Republic)
The President of Belarus official holiday register lists Independence Day of the Republic of Belarus (Day of the Republic) on 3 July, and the presidency documented the 2026 observance on th…
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Independence Day of the Republic of Croatia
The Government of Croatia’s 25 June 2026 Independence Day message states that the country marks Independence Day in memory of the 25 June 1991 decision on sovereignty and independence.
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Independence Day of the Republic of Liberia
Liberia’s Ministry of Foreign Affairs states that July 26 each year is set aside as the national holiday known as Independence Day; because July 26 fell on Sunday in 2026, the public holida…
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Independence Day of the Republic of Moldova
The Government of Moldova states that the Republic marks Independence Day on 27 August and that Moldova proclaimed independence on 27 August 1991; the 2026 programme marked the 35th anniver…
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Independence Day of the Republic of Uzbekistan
A 2026 government page identifies 1 September as Independence Day of the Republic of Uzbekistan and describes it as the main national holiday.
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Independence Day of Turkmenistan
The Ministry of Foreign Affairs states that 27 September is celebrated as Independence Day in Turkmenistan and lists it among public holidays.
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Independence Day of Ukraine
A 2026 Ukrainian state-administration page states that 24 August has been Ukraine’s official Independence Day and main public holiday.
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Independence of Cuenca
Cuenca’s municipal history identifies 3 November 1820 as the city’s independence, and municipal materials use 3 November for the independence celebrations.
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Independence of Guayaquil
The Municipality of Guayaquil identifies 9 October 1820 as Guayaquil’s independence and marks 9 October with civic commemoration.
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Independence Restoration Day
Timor-Leste government material identifies 20 May as Independence Restoration Day and as a national holiday under the country’s public-holiday framework.
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Independent Bookstore Day
The American Booksellers Association identifies Independent Bookstore Day as a national one-day celebration held on the last Saturday in April and currently lists April 24, 2027 as the 14th…
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Independent Czechoslovak State Day
Czech Act No. 245/2000 currently lists 28 October, Den vzniku samostatného československého státu, as a state holiday; Czech MFA material anchors the date to the establishment of Czechoslov…
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Indian Army Day / Army Day
India Ministry of Defence sources verify Army Day every January 15, celebrated since 1949 to commemorate General K. M. Cariappa taking command; no civilian public-holiday status is inferred.
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Indian Arrival Day
Office of the President of Guyana
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Indigenous Faith Day
Arunachal Pradesh government holiday calendars list Indigenous Faith Day on 1 December, including the 2024 notification and 2026 state portal calendar.
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Indigenous Literacy Day
The Indigenous Literacy Foundation states that it created Indigenous Literacy Day in 2007, has hosted it annually since then and holds the national celebration on the first Wednesday in Sep…
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Indigenous Peoples' Day
Primary government records document Indigenous Peoples’ Day in municipal/state law and U.S. presidential proclamations, while current OPM guidance continues to identify the federal statutor…
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Insect Repellent Awareness Day
London School of Hygiene & Tropical Medicine states that its arctec scientists launched Bug Off, the first-ever Insect Repellent Awareness Day, for 3 June 2014; later public-health/vector-c…
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International Accounting Day
The Accounting Day organization identifies November 10 as International Accounting Day, and U.S. government/professional sources also recognize the date.
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International AIDS Candlelight Memorial
The International AIDS Candlelight Memorial states that the memorial is held every third Sunday in May and has been observed since 1983 under coordination by GNP+.
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International Albinism Awareness Day
A/RES/69/170
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International Allyship Day
ISSA event material identifies Integrating Women Leaders Foundation as a founding collaborator of International Allyship Day and states that it is celebrated on 8 August; institutional cale…
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International Angelman Day
Angelman Syndrome Foundation and participating Angelman organizations
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International Animal Rights Day
World Animal Protection states that International Animal Rights Day is observed on December 10 every year and is used to advocate for recognition and protection of animals as sentient being…
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International Animation Day
ASIFA — International Animated Film Association
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International Anti-Corruption Day
A/RES/58/4
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International Anti-Cybercrime Day
A/RES/79/243
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International Artist Day
The International Artist Day site identifies October 25 as the observance date and says founder Chris MacClure launched the initiative in 2004.
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International ASMR Day
YouTube’s official Culture & Trends blog identified 9 April 2024 as International ASMR Day; independent observance calendars consistently use 9 April as the annual date.
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International Assistance Dog Week
Assistance Dogs International explicitly organized International Assistance Dog Week for August 2–8, 2026 and used the week to highlight the role of trained assistance dogs and high trainin…
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International Asteroid Day
A/RES/71/90
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International Astrology Day
Reference material attributes International Astrology Day to the Association for Astrological Networking and ties its date to the northward/March equinox rather than to one permanently fixe…
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International Ataxia Awareness Day
The National Ataxia Foundation states that International Ataxia Awareness Day is on September 25 each year and is a coordinated effort involving individuals and ataxia organizations around…
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International Aura Awareness Day
Cynthia Sue Larson’s current RealityShifters events page lists International Aura Awareness Day on 28 November 2026 and identifies the fourth Saturday of November; her archived 2015 newslet…
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International Axe Throwing Day
The World Axe Throwing League’s April 7, 2017 first-party announcement says International Axe Throwing Day was launching on June 13 and describes 2017 as the first-ever edition. The exact r…
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International Be Kind To Lawyers Day
NACUA identifies Steve Hughes as creator and states that International Be Kind To Lawyers Day recurs on the second Tuesday in April; a contemporaneous 2008 archive documents the first editi…
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International Beaver Day
The Smithsonian’s National Zoo identifies 7 April as International Beaver Day, and a current municipal conservation notice also recognizes the date.
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International Beer and Pizza Day
The observance’s own site states that International Beer and Pizza Day began in 2016, was founded by Nick Saulino, and is celebrated each year on 9 October.
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International Beer Day
The official International Beer Day site states that the event is held on the first Friday in August and lists 7 August for 2026.
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International Bereaved Mother’s Day
Founder Carly Marie’s published account states that International Bereaved Mother’s Day was created in 2010 and is held on the first Sunday of May; current bereavement organizations observe…
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International Book Giving Day
The Children’s Book Council describes International Book Giving Day as a volunteer initiative that takes place each year on 14 February.
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International Cat Day
International Cat Care identifies International Cat Day on August 8 and describes itself as the custodian/coordinator of the day.
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International CdLS Awareness Day
The CdLS Foundation says International CdLS Awareness Day is observed on the second Saturday in May each year and lists the 2026 edition for 9 May.
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International Cello Day
Akashvani and the Cello Museum identify International Cello Day as a recurring December 29 music-appreciation observance. The Pau Casals Foundation verifies that Pablo/Pau Casals was born o…
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International Cheetah Day
Cheetah Conservation Fund (CCF)
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International Chefs Day
Worldchefs states that chefs around the world celebrate International Chefs Day each year on 20 October.
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International Chernobyl Disaster Remembrance Day
A/RES/71/125
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International Chihuahua Appreciation Day
Famous Chihuahua identifies Nadia Alterio as founder, continues to mark the observance every May 14, and ties the date to Teaka’s birthday. First-party material proves the observance was in…
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International Child Helpline Day
Child Helpline International first-party reports identify 17 May as International Child Helpline Day, state that the first edition was celebrated in 2007, and show continuing network observ…
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International Childfree Day
The official International Childfree Day history records Non-Parents’ Day on 1 August 1973 as the precursor, Laura Carroll’s 2013 revival/rebranding as International Childfree Day, and a 20…
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International Chocolate Day
National Institute of Advanced Studies identifies September 13 International Chocolate Day as an initiative of the U.S. National Confectioners Association. NCA itself continues to acknowled…
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International Civil Aviation Day
A/RES/51/33
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International Civility for the Girl Child Day
Louisa Akaiso is identified as the 2020 creator of the October 13 observance; Women Who Win Africa’s current first-party site continues to list International Civility for the Girl Child Day…
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International Clouded Leopard Day
The Aspinall Foundation records the first International Clouded Leopard Day at Howletts on 4 August 2018 and states that it was intended as an annual international awareness day; World Anim…