📅 April 21
18 events · 12 births · 12 deaths
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What happened on April 21? Below are the notable events chosen by Wikipedia’s editors for this date, followed by celebrated births, deaths and the observances recognised around the world.
Events
- 2021 — The Indonesian Navy submarine Nanggala imploded and sank in the Bali Sea, resulting in the deaths of all 53 people on board.
- 2014 — The city of Flint, Michigan, U.S., changed its water source to the Flint River, which exposed residents to lead poisoning.a
- 2010 — Ukraine and Russia signed the Kharkiv Pact, extending the Russian lease on naval facilities in Crimea.
- 1975 — South Vietnamese president Nguyễn Văn Thiệu resigned on hearing of the fall of Xuân Lộc, the last battle of the Vietnam War.
- 1970 — In response to a dispute over wheat production quotas, Leonard Casley declared his 75 km2 (29 sq mi) farm in Western Australia to be an independent country as the Hutt River Province.
- 1967 — A violent tornado strikes multiple schools and destroys houses in Belvidere, Illinois, United States, causing over 450 casualties.
- 1962 — The Century 21 Exposition, the first world's fair in the United States since World War II, opened in Seattle.
- 1960 — Brasília, a planned city primarily designed by architect and urban planner Lúcio Costa, was officially inaugurated, replacing Rio de Janeiro as the capital of Brazil.
- 1958 — United Airlines Flight 736 collided with a U.S. Air Force fighter jet over southern Nevada, resulting in the deaths of all 49 people on board both aircraft.
- 1836 — Forces of the Republic of Texas led by Sam Houston defeated the Mexican troops of Antonio López de Santa Anna in the Battle of San Jacinto, the decisive and final battle of the Texas Revolution.
- 1789 — The Ladies of Trenton social club hosted a reception for President-elect George Washington as he journeyed to New York City for his first inauguration.
George Washington's reception at TrentonGeorge WashingtonFirst inauguration of George Washington
- 1725 — J. S. Bach's cantata Bleib bei uns, denn es will Abend werden, was first performed on Easter Monday.
Johann Sebastian BachBleib bei uns, denn es will Abend werden, BWV 6Easter Monday
- 1615 — The Wignacourt Aqueduct (pictured) in Malta was inaugurated, and was used to carry water to Valletta for about 300 years.
- 1526 — Ibrahim Khan Lodi, the last ruler of the Lodi dynasty, was defeated and killed by Babur at the First Battle of Panipat, marking the beginning of Mughal rule in India.
- 995 — Ælfric of Abingdon was appointed Archbishop of Canterbury.
- 900 — A debt was pardoned by the chief of Tondo on the island of Luzon and recorded on the Laguna Copperplate Inscription, the earliest known calendar-dated document found in the Philippines.
Tondo (historical polity)LuzonLaguna Copperplate Inscription
- -43 — Forces led by Mark Antony fought the Battle of Mutina against those of Decimus Brutus, one of Julius Caesar's assassins.
- -753 — According to the calculations of the ancient Roman scholar Varro Reatinus, Romulus and Remus legendarily founded the city of Rome.
Births
- 2008 — Hyein, South Korean singer
- 2007 — Princess Isabella of Denmark, daughter of King Frederik X and Queen Mary of Denmark
- 2003 — Xavi Simons, Dutch footballer
- 1999 — Choi Hyun-suk, South Korean rapper
- 1998 — Jarrett Allen, American basketball player
- 1997 — Mikel Oyarzabal, Spanish footballer
- 1996 — Arianne Hartono, Dutch tennis player
- 1995 — Ana Grozdanović, Serbian politician
- 1994 — Ludwig Augustinsson, Swedish footballer
- 1992 — Isco, Spanish footballer
- 1992 — Joc Pederson, American baseball player
- 1991 — Frank Dillane, British actor
Deaths
- 2025 — Pope Francis (born 1936)
- 2024 — Terry A. Anderson, American journalist (born 1947)
- 2019 — Polly Higgins, Scottish barrister, author and environmental lobbyist (born 1968)
- 2018 — Nabi Tajima, Japanese supercentenarian (born 1900)
- 2017 — Ugo Ehiogu, English footballer (born 1972)
- 2016 — Prince, American singer-songwriter, guitarist, producer, and actor (born 1958)
- 2014 — George H. Heilmeier, American engineer (born 1936)
- 2014 — Win Tin, Burmese journalist and politician, co-founded the National League for Democracy (born 1930)
- 2013 — Shakuntala Devi, Indian mathematician and astrologer (born 1929)
- 2013 — Leopold Engleitner, Austrian Holocaust survivor, author, and educator (born 1905)
- 2012 — Doris Betts, American author and academic (born 1932)
- 2011 — Catharina Halkes, Dutch theologian and academic (born 1920)
Observances & holidays
- Christian feast day: Abdecalas
- Christian feast day: Anastasius Sinaita
- Christian feast day: Anselm of Canterbury
- Christian feast day: Conrad of Parzham
- Christian feast day: Holy Infant of Good Health
- Christian feast day: Máel Ruba
- Christian feast day: Shemon Bar Sabbae
- Christian feast day: Wolbodo
- Christian feast day: April 21 (Eastern Orthodox liturgics)
- Natale di Roma (Rome)
- Parilia (ancient Rome)
- Civil Service Day (India)
- Grounation Day (Rastafari)
- National Tea Day (United Kingdom)
- National Tree Planting Day (Kenya)
- San Jacinto Day (Texas)
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