Historical Events In April - 23
Sunday, 17 August 2025
0034 Christ, crucified, according to Isaac Newton on April - 23.
0303 On April - 23 george, knight/saint/patron of England, beheaded
0725 On this day in history wihtred, King of Kent
0871 Ethelred I, king of Wessex/brother of Alfred the Great, dies on April - 23.
0990 On this day in history ekkehart II, [Palatinus], monk to St-Gallen/poet, dies
0997 Vojtech "Adalbert" of Prague, 2nd bishop of Prague/apostle, dies at 40 on April - 23.
1014 The Battle of Clontarf ends Danish rule in Ireland, but a Dane kills the Irish king Brian Boru, 87 on this day in history.
1014 King Brian Boru of Ireland beats Danes at Battle of Clontarf on this day in history.
1014 Brian Boru, king of Ireland, dies in battle at 87 on this day in history.
1016 On April - 23 aethelbred II "the Unready", king of England (979-1016), dies
1154 Damascus surrenders to sultan Nur ad-Din van Aleppo on April - 23.
1229 On April - 23 ferdinand III of Castile conquers Cáceres.
1343 St. George's Night Uprising on April - 23.
1348 On April - 23 english order of knighthood founded
1348 First English order of knighthood founded (Order of the Garter) on April - 23.
1348 1st English order of knighthood founded (Order of Garter) on this day in history.
1416 Blaise/Blasius of Parma, Ital astrologist/philosopher/algebra, dies on this day in history.
1464 On April - 23 johanna van Valois, Queen of France
1484 On this day in history julius Caesar Scaliger, Italy, scholar (On the Subtlety of Things)
1500 Pedro Cabral lands & annexes Brazil (Terra da Vera Cruz) on this day in history.
1500 Alexander Alesius, [Aless/Alane], System theologist/physician on this day in history.
1501 On this day in history portuguese navigator Pedro Cabral & 6 ships return to Lisbon
1504 King Maximilian I routes troops to Bavaria on April - 23.
1564 On April - 23 the birth of William Shakespeare, English playwright
1597 On April - 23 william Shakespeare's The Merry Wives of Windsor is first performed, with Queen Elizabeth I of England in attendance.
1598 Maarten Harpertszoon Tromp, naval commander on April - 23.
1616 On this day in history netherlands buys De Briel/Vlissingen/Fort Rammekens from England
1616 Miguel de Cervantes Saavedra, Spanish writer (Don Quixote), dies at 69 on this day in history.
1623 Jan Adam Reincken, composer on April - 23.
1625 Maurice of Nassau, Prince of Orange, dies at 57 on April - 23.
1629 John Commelin, director (Hortus Botanicus, Amsterdam) on this day in history.
1633 Sweden & Protestant German monarchy form Union of Heilbronn on this day in history.
1635 Oldest US public institution, Boston Latin School founded on this day in history.
1649 On April - 23 andreas Kneller, composer
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