Source-backedFixed Annual
Memento Mori
The first-party Wellcat Holidays calendar places its Memento Mori observance on January 3 and identifies Wellcat Holidays as created by Thomas and Ruth Roy.
Topic facet
Civic Remembrance History observances
Civic observances, historical anniversaries, remembrance days and public-life commemorations.
842 records
Authority records
Source-backedHistorical Legacy
Memorandum národa slovenského
Slovakia’s Ministry of Culture marked the 165th anniversary in 2026 and identifies the Memorandum of the Slovak Nation with its June 1861 adoption in Martin.
Source-backedRule Based Annual
Memorial Day
The U.S. National Park Service explains that Congress established Memorial Day as a national holiday observed on the last Monday in May.
Source-backedFixed Annual
Memorial Day
Timor-Leste’s official 2026 holiday list, applying Law No. 10/2005, lists 7 December as Memorial Day among fixed public holidays.
Source-backedFixed Annual
Memorial Day
The Republic of Korea’s official Korea.net carries the presidential Memorial Day address on 6 June 2026, confirming the current observance identity and date.
Source-backedVariable Custom
Memorial Day for Israel's Fallen Soldiers and Victims of Hostile Acts
The Knesset describes the national Memorial Day for Israel’s Fallen Soldiers and Victims of Hostile Acts as observed on 4 Iyar or an adjusted nearby date, immediately preceding Independence…
Source-backedFixed Annual
Mexico Independence Day
The Organization of American States’ current country page lists Mexico National Independence Day as 16 September.
Source-backedRule Based Annual
Michigan Indian Day
Michigan Department of Civil Rights
Source-backedFixed Annual
Mickey Mouse Birthday
Disney/D23 states that November 18, 1928, the debut date of Steamboat Willie, is considered Mickey Mouse’s birthday and continues to celebrate the date.
Source-backedFixed Annual
Military Women’s Memorial anniversary
The Military Women’s Memorial says the memorial was dedicated and opened on 18 October 1997; its own anniversary material continues to mark 18 October.
Source-backedFixed Annual
Minnie Mouse Birthday
Disney/D23 states that Minnie debuted alongside Mickey in Steamboat Willie on November 18, 1928 and that the date is considered both characters’ birthday.
Source-backedFixed Annual
Mizoram Statehood Day
The official Lok Bhavan Mizoram document register publishes “Mizoram Statehood Day, 2026” dated 20 February 2026. The site inventory wording “Mizoram State Day” is retained for search match…
Source-backedFixed Annual
Moshoeshoe’s Day
Lesotho government sources commemorate Moshoeshoe I on 11 March, and the official holiday calendar lists the day as a public holiday. Government history frames 11 March as remembrance of th…
Source-backedFixed Annual
Mozambican Heroes Day (Dia dos Heróis Moçambicanos)
Mozambique’s Government Portal lists 3 February as Dia dos Heróis Moçambicanos and identifies it as a national holiday honoring Mozambican heroes.
Source-backedFixed Annual
Mwalimu Nyerere Day
Government of Tanzania diplomatic missions
Source-backedFixed Annual
Naadam
Invest Mongolia’s government public-holiday guidance lists Naadam on July 11–15 among Mongolia’s public holidays.
Source-backedFixed Annual
Nagasaki Peace Memorial Ceremony
Japan’s Prime Minister’s Office documents the Nagasaki Peace Memorial Ceremony on 9 August 2026, while Nagasaki’s official visitor information says the ceremony is held on 9 August every ye…
Source-backedEdition Specific
NASA Day of Remembrance
NASA describes its Day of Remembrance as an annual observance honoring members of the NASA family who lost their lives while furthering exploration; NASA scheduled the 2026 observance for J…
Source-backedEdition Specific
Natal Day
Nova Scotia’s government holiday schedule identifies Natal Day on 3 August for 2026
Source-backedFixed Annual
Natalicio de José Gervasio Artigas
Uruguay’s Ministry of Education and Culture commemorates José Gervasio Artigas’s birth on 19 June.
Source-backedFixed Annual
National Airborne Day
United States presidential proclamation, documented by the U.S. Army
Source-backedFixed Annual
National Alabama Day
National Day Calendar lists National Alabama Day on 14 December. The U.S. Senate records Alabama’s admission/statehood date as 14 December 1819. The dates coincide here, but the National Da…
Source-backedFixed Annual
National Alaska Day
National Day Calendar lists National Alaska Day on 28 June. The U.S. Senate records Alaska’s admission/statehood date as 3 January 1959. The two dates are deliberately kept separate so the…
Source-backedFixed Annual
National Anthem and Flag Day
The Government of Aruba lists National Anthem and Flag Day on 18 March and describes March 18 as Aruba’s national holiday.
Source-backedFixed Annual
National Arizona Day
National Day Calendar lists National Arizona Day on 21 June. The U.S. Senate records Arizona’s admission/statehood date as 14 February 1912. The two dates are deliberately kept separate so…
Source-backedFixed Annual
National Arkansas Day
National Day Calendar lists National Arkansas Day on 11 January. The U.S. Senate records Arkansas’s admission/statehood date as 15 June 1836. The two dates are deliberately kept separate so…
Source-backedEdition Specific
National Atomic Veterans Day
Proclamation 10784, published by the Office of the Federal Register through GovInfo, proclaimed July 16, 2024 as National Atomic Veterans Day. Federal records also show earlier presidential…
Source-backedFixed Annual
National Aviation Day
United States Code, title 36 §118
Source-backedFixed Annual
National Borinqueneers Day
U.S. Senate Resolution 641 (2020) and subsequent federal recognition
Source-backedFixed Annual
National California Day
National Day Calendar lists National California Day on 22 February. The U.S. Senate records California’s admission/statehood date as 9 September 1850. The two dates are deliberately kept se…
Source-backedFixed Annual
National Connecticut Day
National Day Calendar lists National Connecticut Day on 10 August. The U.S. Senate records Connecticut’s admission/statehood date as 9 January 1788. The two dates are deliberately kept sepa…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Austria — National Day on 26 October. This verifies the current diplomatic national-day ide…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Bahrain — National Day on 16 December. The source verifies the diplomatic national-day iden…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists China — National Day on 1 October. The source verifies the diplomatic national-day identity…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Comoros — National Day on 6 July. The source verifies the diplomatic national-day identity/…
Source-backedEdition Specific
National Day
Kiribati’s Public Service Office holiday calendar labels July 12 as National Day and lists July 14, 2025 as the holiday in honour of National Day.
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Kuwait — National Day on 25 February. The source verifies the diplomatic national-day ident…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Lao People’s Democratic Republic — National Day on 2 December. The source verifies the dipl…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Liechtenstein — National Day on 15 August. The source verifies the diplomatic national-day…
Source-backedFixed Annual
National Day
The Government of Luxembourg’s 2026 National Day communication identifies 23 June 2026 as National Day and describes the official ceremony.
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Monaco — National Day on 19 November. The source verifies the diplomatic national-day ident…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists China — National Day on 1 October.
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Ethiopia — National Day on 28 May.
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Qatar — National Day on 18 December. The source verifies the diplomatic national-day identi…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Romania — National Day on 1 December. The source verifies the diplomatic national-day ident…
Source-backedFixed Annual
National Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Singapore — National Day on 9 August. The source verifies the diplomatic national-day ident…
Source-backedFixed Annual
National Day (Fête Nationale)
Benin government sources mark 1 August as the Fête Nationale and describe the 2026 celebration as the 66th anniversary of accession to national sovereignty.
Source-backedVariable Custom
National Day (Qaumee Dhuvas)
The Maldives President’s Office states that National Day is observed annually on the first of Rabi’ al-Awwal and commemorates Muhammad Thakurufaanu’s liberation of the Maldives from Portugu…
Source-backedFixed Annual
National Day / Independence Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Saint Lucia’s national day on 22 February, aligning the published title with the country’s…
Source-backedFixed Annual
National Day of Belgium
Belgium’s official government portal states that National Day is July 21, while the independent Belgian state was born on October 4, 1830; July 21 commemorates Leopold I taking the constitu…
Source-backedFixed Annual
National Day of Cameroon
The Presidency of Cameroon identifies May 20 as National Day and links the observance to the 1972 referendum establishing the Unitary State.
Source-backedFixed Annual
National Day of Iceland
The Government of Iceland identifies 17 June as National Day in its national-flag guidance and official prime-ministerial National Day material.
Source-backedFixed Annual
National Day of Mourning
The Government of Canada’s 2026 statement marks 28 April as the National Day of Mourning, honoring workers killed, injured or made ill because of work.
Source-backedFixed Annual
National Day of Mourning for persons killed or injured in the workplace
The Government of Canada states that the Workers Mourning Day Act established April 28 as the official day observed every year, and current 2026 federal material continues to mark the Day o…
Source-backedFixed Annual
National Day of Remembrance and Action on Violence Against Women
The Government of Canada states that 6 December is the National Day of Remembrance and Action on Violence Against Women, designated by Parliament and connected to remembering the 14 women k…
Source-backedFixed Annual
National Day of Remembrance for Truth and Justice
Argentina’s government states that Law 25.633 established 24 March as the National Day of Remembrance for Truth and Justice to commemorate victims of the last military dictatorship.
Source-backedEdition Specific
National Day of the American Cowboy
S. Res. 813, 119th Congress, agreed to Senate 23 July 2026
Source-backedFixed Annual
National Day of the Republic of China (Taiwan)
Taiwan’s Ministry of Foreign Affairs holiday information lists 10 October as National Day of the Republic of China (Taiwan).
Source-backedFixed Annual
National Day of Viet Nam
The official Government of Viet Nam information channel identifies 2 September as National Day and documented the 81st National Day anniversary in 2026.
Source-backedFixed Annual
National Day — Independence and Republic anniversaries
The Prime Minister of Mauritius official site documented National Day celebrations on 12 March 2026 marking the 58th anniversary of Independence and 34th anniversary of the Republic.
Source-backedFixed Annual
National Delaware Day
National Day Calendar lists National Delaware Day on 13 July. The U.S. Senate records Delaware’s admission/statehood date as 7 December 1787. The two dates are deliberately kept separate so…
Source-backedRule Based Annual
National Explosive Ordnance Disposal Day
U.S. House Resolution 1294 supports designating the first Saturday in May as National Explosive Ordnance Disposal Day, and EOD Warrior Foundation material continues the memorial observance.
Source-backedRule Based Annual
National First Ladies Day
The National First Ladies Day Commission says the observance was founded in 2021 and schedules its annual celebration on the last Saturday in April.
Source-backedFixed Annual
National Flag Day
Liberia’s Ministry of Foreign Affairs states that the Flag Day Act set aside August 24 of each year as National Flag Day and a national holiday.
Source-backedFixed Annual
National Flag Day / National Flag Days
The Philippine Information Agency states that 28 May marks National Flag Day, declared by Presidential Proclamation No. 374 s. 1965, and that National Flag Days are observed from 28 May to…
Source-backedFixed Annual
National Flag of Canada Day
Government of Canada / Canadian Heritage; declared in 1996 and tied to the first raising of the maple leaf flag in 1965
Source-backedFixed Annual
National Florida Day
National Day Calendar lists National Florida Day on 25 January. The U.S. Senate records Florida’s admission/statehood date as 3 March 1845. The two dates are deliberately kept separate so t…
Source-backedFixed Annual
National Foundation Day
Prime Minister’s Office of Japan
Source-backedFixed Annual
National Freedom Day
Title 36, U.S. Code §124 authorizes the President to proclaim 1 February as National Freedom Day to commemorate the 1865 joint resolution proposing the Thirteenth Amendment.
Source-backedFixed Annual
National Grief Awareness Day
Multiple local-government records recognize August 30 as National Grief Awareness Day and identify Angie Cartwright as its 2014 founder.
Source-backedFixed Annual
National Guard Birthday
The National Guard identifies 13 December as its birthday.
Source-backedFixed Annual
National Hawaii Day
National Day Calendar lists National Hawaii Day on 5 July. The U.S. Senate records Hawaii’s admission/statehood date as 21 August 1959. The two dates are deliberately kept separate so the i…