Source-backedFixed AnnualIn-depth guide
National Guard Birthday
The National Guard identifies 13 December as its birthday.
Topic facet
Civic Remembrance History observances
Civic observances, historical anniversaries, remembrance days and public-life commemorations.
641 observances
All observances
Source-backedFixed AnnualIn-depth guide
National Hawaii Day
National Day Calendar identifies National Hawaii Day as its private July 5 National State Day founded within the 2017 series. Federal and NPS/OHA sources keep August 21, 1959 statehood, the…
Source-backedRule Based AnnualIn-depth guide
National Heroes Day
The Bahamas National Heroes Act designates the second Monday in October as National Heroes Day and a public holiday.
Source-backedFixed AnnualIn-depth guide
National Heroes Day
Timor-Leste’s official 2026 holiday list, applying Law No. 10/2005, lists 31 December as National Heroes Day among fixed public holidays.
Source-backedRule Based AnnualIn-depth guide
National Heroes’ Day
Jamaica’s Holidays (Public General) Act schedule names the third Monday in October as National Heroes’ Day; Jamaica Information Service states that the country first celebrated National Her…
Source-backedFixed AnnualIn-depth guide
National Hire a Veteran Day
The U.S. Department of Veterans Affairs says National Hire a Veteran Day is recognized annually on July 25 and traces the observance to Dan Caporale in 2017.
Source-backedFixed AnnualIn-depth guide
National Holiday — Day of Liberation from Ottoman Domination
Bulgaria’s Labour Code Article 154 lists March 3, the Day of Liberation of Bulgaria from Ottoman rule, as the national holiday; the Council of Ministers links the date to the preliminary Tr…
Source-backedFixed AnnualIn-depth guide
National Idaho Day
National Day Calendar lists its private National Idaho Day on May 17 within the 2017 National State Days series. The U.S. Senate separately records July 3, 1890 statehood, while Idaho educa…
Source-backedFixed AnnualIn-depth guide
National Illinois Day
National Day Calendar lists its private National Illinois Day on December 7 within the National State Days series. The U.S. Senate separately records December 3, 1818 statehood, while Illin…
Source-backedFixed AnnualIn-depth guide
National Independence Day
Cambodia’s official 2026 holiday calendar lists November 9 as National Independence Day, while Royal Government historical material identifies 9 November 1953 as the date Cambodia obtained…
Source-backedFixed AnnualIn-depth guide
National Independence Day
Mauritanian government sources state that independence was proclaimed on November 28, 1960 and that National Independence Day recurs on November 28. Law No. 92.018 of December 7, 1992 fixes…
Source-backedFixed AnnualIn-depth guide
National Independence Day (Fête nationale de l’Indépendance)
Madagascar government sources mark the national independence celebration on 26 June; the official 2023 legal holiday decree also lists 26 June as Fête nationale de l’Indépendance.
Source-backedFixed AnnualIn-depth guide
National Independence Day of Romania (Ziua Independenței Naționale a României)
A 2026 Romanian prefecture notice states that, following Law 189/2021, the Romanian state has commemorated National Independence Day every year on 10 May since 2022.
Source-backedFixed AnnualIn-depth guide
National Indiana Day
National Day Calendar lists its private National Indiana Day on November 16. Indiana law separately designates December 11 as Indiana Day for the statehood anniversary, while federal and In…
Source-backedFixed AnnualIn-depth guide
National Iowa Day
National Day Calendar lists its private National Iowa Day on February 8. Federal history separately records December 28, 1846 statehood, while State Historical Society of Iowa sources docum…
Source-backedFixed AnnualIn-depth guide
National K-9 Veterans Day
Institutional sources recognize National K-9 Veterans Day on March 13 and tie the date to the U.S. Army War Dog Program launched March 13, 1942. Reviewed authoritative sources do not establ…
Source-backedFixed AnnualIn-depth guide
National Kentucky Day
National Day Calendar lists its private National Kentucky Day on October 19. Federal history separately records June 1, 1792 statehood, while Kentucky’s Native American Heritage Commission…
Source-backedEdition SpecificIn-depth guide
National Korean War Veterans Armistice Day
GovInfo’s 2026 federal feature recognizes July 27 as Korean War Armistice Day and pays tribute to Korean War veterans; 36 U.S.C. §127 preserves the earlier statutory National Korean War Vet…
Source-backedFixed AnnualIn-depth guide
National Liberation Day of Korea (Gwangbokjeol)
Korea.net identifies 15 August as National Liberation Day (Gwangbokjeol) and describes it as an annual national commemoration.
Source-backedFixed AnnualIn-depth guide
National Louisiana Day
National Day Calendar lists its private National Louisiana Day on November 9. Louisiana law separately designates April 30 as Louisiana Day (not a legal holiday), matching the 1812 statehoo…
Source-backedFixed AnnualIn-depth guide
National Maine Day
National Day Calendar lists its private National Maine Day on December 21 and describes the National State Days series as beginning in 2017. Maine separately designates March 15 as Statehoo…
Source-backedFixed AnnualIn-depth guide
National Maritime Day
United States Code, title 36 §128
Source-backedFixed AnnualIn-depth guide
National Massachusetts Day
National Day Calendar lists National Massachusetts Day on 17 August. The U.S. Senate records Massachusetts’s admission/statehood date as 6 February 1788. The two dates are deliberately kept…
Source-backedFixed AnnualIn-depth guide
National Medal of Honor Day
Congressional Medal of Honor Society; congressional designation described by the Society
Source-backedFixed AnnualIn-depth guide
National Michigan Day
National Day Calendar lists National Michigan Day on 18 January. The U.S. Senate records Michigan’s admission/statehood date as 26 January 1837. The two dates are deliberately kept separate…
Source-backedFixed AnnualIn-depth guide
National Minnesota Day
National Day Calendar lists National Minnesota Day on 1 March. The U.S. Senate records Minnesota’s admission/statehood date as 11 May 1858. The two dates are deliberately kept separate so t…
Source-backedFixed AnnualIn-depth guide
National Mississippi Day
National Day Calendar lists National Mississippi Day on 30 November. The U.S. Senate records Mississippi’s admission/statehood date as 10 December 1817. The two dates are deliberately kept…
Source-backedFixed AnnualIn-depth guide
National Missouri Day
National Day Calendar lists National Missouri Day on 4 January. The U.S. Senate records Missouri’s admission/statehood date as 10 August 1821. The two dates are deliberately kept separate s…
Source-backedFixed AnnualIn-depth guide
National Montana Day
National Day Calendar lists National Montana Day on 3 May. The U.S. Senate records Montana’s admission/statehood date as 8 November 1889. The two dates are deliberately kept separate so the…
Source-backedFixed AnnualIn-depth guide
National Navajo Code Talkers Day
The Navajo Nation Office of the President and Vice President recognizes 14 August as National Navajo Code Talkers Day.
Source-backedFixed AnnualIn-depth guide
National Nebraska Day
National Day Calendar lists National Nebraska Day on 5 April. The U.S. Senate records Nebraska’s admission/statehood date as 1 March 1867. The two dates are deliberately kept separate so th…
Source-backedFixed AnnualIn-depth guide
National New Hampshire Day
National Day Calendar lists National New Hampshire Day on 7 September. The U.S. Senate records New Hampshire’s admission/statehood date as 21 June 1788. The two dates are deliberately kept…
Source-backedFixed AnnualIn-depth guide
National New Jersey Day
National Day Calendar lists National New Jersey Day on 27 July. The U.S. Senate records New Jersey’s admission/statehood date as 18 December 1787. The two dates are deliberately kept separa…
Source-backedFixed AnnualIn-depth guide
National New Mexico Day
National Day Calendar lists National New Mexico Day on 14 June. The U.S. Senate records New Mexico’s admission/statehood date as 6 January 1912. The two dates are deliberately kept separate…
Source-backedFixed AnnualIn-depth guide
National North Carolina Day
National Day Calendar lists National North Carolina Day on 28 September. The U.S. Senate records North Carolina’s admission/statehood date as 21 November 1789. The two dates are deliberatel…
Source-backedFixed AnnualIn-depth guide
National North Dakota Day
National Day Calendar lists National North Dakota Day on 19 April. The U.S. Senate records North Dakota’s admission/statehood date as 2 November 1889. The two dates are deliberately kept se…
Source-backedFixed AnnualIn-depth guide
National Ohio Day
National Day Calendar lists National Ohio Day on 2 November. The U.S. Senate records Ohio’s current statehood date as 1 March 1803 and notes the 1953 congressional resolution that establish…
Source-backedFixed AnnualIn-depth guide
National Oregon Day
National Day Calendar lists National Oregon Day on 8 March. The U.S. Senate records Oregon’s admission/statehood date as 14 February 1859. The two dates are deliberately kept separate so th…
Source-backedFixed AnnualIn-depth guide
National Park Service Founders Day
The National Park Service identifies 25 August 1916 as the date of the Organic Act creating the agency and recognizes 25 August as Founders Day.
Source-backedFixed AnnualIn-depth guide
National Pearl Harbor Remembrance Day
36 U.S.C. §129 designates December 7 as National Pearl Harbor Remembrance Day and requests annual proclamations and half-staff display; historical notes trace the designation to Public Law…
Source-backedFixed AnnualIn-depth guide
National Pennsylvania Day
National Day Calendar lists National Pennsylvania Day on 20 July. The U.S. Senate records Pennsylvania’s admission/statehood date as 12 December 1787. These are separate facts: the calendar…
Source-backedRule Based AnnualIn-depth guide
National Pet Memorial Day
The International Association of Pet Cemeteries and Crematories says National Pet Memorial Day is held each year on the second Sunday in September and was established by the IAOPCC in 1971…
Source-backedFixed AnnualIn-depth guide
National Police Remembrance Day
Queensland Police Service states that the tradition began in 1989 and is observed annually; Victoria Police confirms 29 September each year and documented the 2026 observance.
Source-backedFixed AnnualIn-depth guide
National Rebellion Day
Cuba Travel lists 26 July as National Rebellion Day. Current Granma party-state coverage describes the same July 26 national ceremony as marking the anniversary of the 1953 assaults on the…
Source-backedFixed AnnualIn-depth guide
National Rhode Island Day
National Day Calendar lists private National Rhode Island Day on October 5 within its National State Days series. It remains separate from Rhode Island’s May 29, 1790 ratification/statehood…
Source-backedFixed AnnualIn-depth guide
National Salvation Day of the Azerbaijani people
Current Azerbaijani official sources reproduce the Labor Code listing June 15 as National Salvation Day of the Azerbaijani people and a day off; official history connects the date with the…
Source-backedFixed AnnualIn-depth guide
National Sorry Day
Australian Human Rights Commission, AIATSIS, Reconciliation Australia and current PM&C material verify May 26, the first National Sorry Day on 26 May 1998 and the date’s connection to the 1…
Source-backedFixed AnnualIn-depth guide
National South Carolina Day
National Day Calendar lists the private National South Carolina Day on August 31. The U.S. Senate records South Carolina’s statehood/ratification date as May 23, 1788, while South Carolina…
Source-backedFixed AnnualIn-depth guide
National South Dakota Day
National Day Calendar lists the private National South Dakota Day on April 26. The U.S. Senate records South Dakota’s admission on November 2, 1889, and South Dakota law separately establis…
Source-backedFixed AnnualIn-depth guide
National Space Day
Government of India Department of Space Notification F. No. DS_5-18013/8/2023-V, dated 13 October 2023, declares August 23 every year as National Space Day to commemorate the Chandrayaan-3…
Source-backedFixed AnnualIn-depth guide
National Speak Up for Victims of Sexual Abuse Day
National Day Archives records October 18 annual recurrence and an October 2021 creation on behalf of Jack Nunnery; a New Jersey government DEIB calendar independently lists the date. RAINN…
Source-backedFixed AnnualIn-depth guide
National Tennessee Day
National Day Calendar lists the private October 26 National Tennessee Day. The U.S. Senate records June 1, 1796 statehood. Tennessee tourism later recognized the private day in 2022, but th…
Source-backedFixed AnnualIn-depth guide
National Unity Day
Tajikistan’s Ministry of Foreign Affairs commemorated National Unity Day on 27 June 2026 and links the occasion to the 27 June 1997 peace and national accord agreement.
Source-backedFixed AnnualIn-depth guide
National Unity Day (Rashtriya Ekta Diwas)
Government of India / Ministry of Home Affairs announcements establish annual October 31 observance beginning in 2014 on Sardar Vallabhbhai Patel’s birth anniversary; a 2023 Gazette notific…
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
National Utah Day
National Day Calendar lists the private May 31 National Utah Day. The U.S. Senate records January 4, 1896 statehood. Utah Division of Indian Affairs sources document eight federally recogni…
Source-backedFixed AnnualIn-depth guide
National Vermont Day
National Day Calendar lists the private October 12 National Vermont Day. The U.S. Senate records March 4, 1791 statehood. Vermont Commission sources document four state-recognized Abenaki t…
Source-backedFixed AnnualIn-depth guide
National Vietnam War Veterans Day
The U.S. Department of Veterans Affairs identifies March 29 as National Vietnam War Veterans Day and describes the national commemoration of Vietnam veterans and their families.
Source-backedFixed AnnualIn-depth guide
National Virginia Day
National Day Calendar documents National Virginia Day on September 14 within its private National State Days series; U.S. Senate records Virginia’s statehood/ratification date as June 25, 1…
Source-backedFixed AnnualIn-depth guide
National Washington Day
National Day Calendar lists National Washington Day on May 10 as a private Washington State observance; U.S. Senate records statehood on November 11, 1889, and Washington state sources docu…
Source-backedFixed AnnualIn-depth guide
National Windrush Day
The UK government announced on 18 June 2018 that National Windrush Day would take place on 22 June every year; later official material identifies 2019 as the first national Windrush Day, an…
Source-backedFixed AnnualIn-depth guide
National Wisconsin Day
National Day Calendar lists the private National Wisconsin Day on February 15; U.S. Senate records statehood on May 29, 1848. A Wisconsin gubernatorial proclamation dated January 27, 2026 l…
Source-backedFixed AnnualIn-depth guide
National Wyoming Day
National Day Calendar lists the private National Wyoming Day on May 24; U.S. Senate records statehood on July 10, 1890. Wyoming Statutes §8-4-103 separately establishes December 10 as “Wyom…
Source-backedFixed AnnualIn-depth guide
Navy Reserve Birthday
The U.S. Navy Reserve identifies 3 March as the birthday of the Navy Reserve.
Source-backedRule Based AnnualIn-depth guide
New Brunswick Day
New Brunswick Day Act / Government of New Brunswick
Source-backedFixed AnnualIn-depth guide
Nigeria Independence Day
Nigerian government sources establish 1 October 1960 as the independence date; the Public Holidays Act and current Ministry of Interior notices support October 1 public-holiday status.
Source-backedFixed AnnualIn-depth guide
Ninoy Aquino Day
Republic Act No. 9256
Source-backedRule Based AnnualIn-depth guide
Nova Scotia Heritage Day
Nova Scotia’s official Heritage Day site states the holiday is celebrated on the third Monday in February.
Source-backedFixed AnnualIn-depth guide
Nunavut Day
Government of Canada / Polar Knowledge Canada
Source-backedFixed AnnualIn-depth guide
October 14 Revolution
Republic of Yemen Law No. 2 of 2000 on official holidays lists the anniversary of the 14 October Revolution as a one-day official holiday. Current Aden-based Ministry of Civil Service notic…
Source-backedFixed AnnualIn-depth guide
Odisha Day (Utkala Dibasa)
Chief Minister of Odisha / Government of Odisha
Source-backedFixed AnnualIn-depth guide
Orange Shirt Day
Orange Shirt Society identifies Phyllis Webstad and other founding members as creators of Orange Shirt Day in 2013, explains the September 30 date, and continues Indigenous-led stewardship;…