Historical Events In April - 23
Friday, 05 December 2025
0034 Christ, crucified, according to Isaac Newton on April - 23. 

0303 On April - 23 george, knight/saint/patron of England, beheaded 

0725 Wihtred, King of Kent on April - 23. 

0871 On April - 23 ethelred I, king of Wessex/brother of Alfred the Great, dies 

0990 Ekkehart II, [Palatinus], monk to St-Gallen/poet, dies on this day in history. 

0997 On April - 23 vojtech "Adalbert" of Prague, 2nd bishop of Prague/apostle, dies at 40 

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 On April - 23 king Brian Boru of Ireland beats Danes at Battle of Clontarf 

1014 Brian Boru, king of Ireland, dies in battle at 87 on April - 23. 

1016 Aethelbred II "the Unready", king of England (979-1016), dies on April - 23. 

1154 On April - 23 damascus surrenders to sultan Nur ad-Din van Aleppo 

1229 Ferdinand III of Castile conquers Cáceres on April - 23. 

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 this day in history. 

1348 1st English order of knighthood founded (Order of Garter) on April - 23. 

1416 On April - 23 blaise/Blasius of Parma, Ital astrologist/philosopher/algebra, dies 

1464 Johanna van Valois, Queen of France on April - 23. 

1484 Julius Caesar Scaliger, Italy, scholar (On the Subtlety of Things) on this day in history. 

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 On this day in history king Maximilian I routes troops to Bavaria 

1564 The birth of William Shakespeare, English playwright on this day in history. 

1597 William Shakespeare's The Merry Wives of Windsor is first performed, with Queen Elizabeth I of England in attendance on April - 23. 

1598 Maarten Harpertszoon Tromp, naval commander on this day in history. 

1616 On April - 23 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 On April - 23 maurice of Nassau, Prince of Orange, dies at 57 

1629 On this day in history john Commelin, director (Hortus Botanicus, Amsterdam) 

1633 Sweden & Protestant German monarchy form Union of Heilbronn on April - 23. 

1635 Oldest US public institution, Boston Latin School founded on this day in history. 

1649 Andreas Kneller, composer on this day in history. 

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