Wikipedia:Selected anniversaries/April 21

Images
Use only ONE image at a time

Eligible

 * 753 BC – Romulus and Remus (depicted) legendarily founded the city of Rome, according to the calculations of ancient Roman scholar Varro Reatinus.
 * 43 BC – Forces led by Mark Antony fought the Battle of Mutina against those of Decimus Brutus, one of Julius Caesar's assassins.
 * 995 - Ælfric of Abingdon was appointed Archbishop of Canterbury
 * 1509 – Henry VIII became King of England, following the death of his father Henry VII, eventually becoming a significant figure in the history of the English monarchy.
 * 1789 – The Ladies of Trenton social club hosted a reception (depicted) for President-elect George Washington as he journeyed to New York City for his first inauguration.
 * 1925 or 1926 – Al-Baqi Cemetery in Medina, the site of the mausoleum of four of the Twelve Imams of Shia Islam, was demolished by Wahhabis.
 * 1934 – The "Surgeon's Photograph", purportedly showing the Loch Ness Monster (later revealed to be a hoax), was published in the Daily Mail.
 * 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.
 * 1962 – The Century 21 Exposition, the first world's fair in the United States since World War II, opened in Seattle.
 * 1970 – In response to a dispute over wheat production quotas, Leonard Casley declared his 75 km2 farm in Western Australia to be an independent country as the Hutt River Province.
 * 2010 – Ukraine and Russia signed the Kharkiv Pact, extending the Russian lease on naval facilities in Crimea.
 * 2014 – The city of Flint, Michigan, U.S., changed its water source to the Flint River, which exposed residents to lead poisoning.
 * Born/died: | Bardas|d|866| Bajkam|d|941| Anselm of Canterbury|d|1109| Petrus Apianus|d|1552| Simon de la Loubère|b|1642| Jan Boeckhorst|d|1668| Max Weber|b|1864| Ignatius Zakka I Iwas|b|1931| Carsten Borchgrevink |d|1934| John Maynard Keynes|d|1946| Mike Wingfield|b|1954| Dorothy Eady|d|1981| Vivian Maier|d|2009

April 21


 * 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.
 * 1615 – The Wignacourt Aqueduct (pictured) in Malta was inaugurated and was used to carry water to Valletta for about 300 years.
 * 1836 – Forces of the Republic of Texas led by Sam Houston defeated the Mexican troops of General Antonio López de Santa Anna in the Battle of San Jacinto, the decisive and final battle of the Texas Revolution.
 * 1975 – South Vietnamese president Nguyễn Văn Thiệu resigned on hearing of the fall of Xuân Lộc, the last battle of the Vietnam War.
 * 2021 – The Indonesian Navy submarine Nanggala sank, resulting in the deaths of all 53 people on board.