Historical Events In April - 23
Tuesday, 16 September 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 Ethelred I, king of Wessex/brother of Alfred the Great, dies on April - 23.
0990 Ekkehart II, [Palatinus], monk to St-Gallen/poet, dies on April - 23.
0997 Vojtech "Adalbert" of Prague, 2nd bishop of Prague/apostle, dies at 40 on April - 23.
1014 On April - 23 the Battle of Clontarf ends Danish rule in Ireland, but a Dane kills the Irish king Brian Boru, 87
1014 King Brian Boru of Ireland beats Danes at Battle of Clontarf on this day in history.
1014 On April - 23 brian Boru, king of Ireland, dies in battle at 87
1016 On April - 23 aethelbred II "the Unready", king of England (979-1016), dies
1154 On April - 23 damascus surrenders to sultan Nur ad-Din van Aleppo
1229 On April - 23 ferdinand III of Castile conquers Cáceres.
1343 On this day in history st. George's Night Uprising.
1348 On this day in history 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 April - 23.
1416 Blaise/Blasius of Parma, Ital astrologist/philosopher/algebra, dies on this day in history.
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 On April - 23 pedro Cabral lands & annexes Brazil (Terra da Vera Cruz)
1500 On this day in history alexander Alesius, [Aless/Alane], System theologist/physician
1501 Portuguese navigator Pedro Cabral & 6 ships return to Lisbon on this day in history.
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 On this day in history william Shakespeare's The Merry Wives of Windsor is first performed, with Queen Elizabeth I of England in attendance.
1598 On April - 23 maarten Harpertszoon Tromp, naval commander
1616 Netherlands buys De Briel/Vlissingen/Fort Rammekens from England on this day in history.
1616 Miguel de Cervantes Saavedra, Spanish writer (Don Quixote), dies at 69 on April - 23.
1623 On April - 23 jan Adam Reincken, composer
1625 On this day in history maurice of Nassau, Prince of Orange, dies at 57
1629 John Commelin, director (Hortus Botanicus, Amsterdam) on April - 23.
1633 Sweden & Protestant German monarchy form Union of Heilbronn on this day in history.
1635 Oldest US public institution, Boston Latin School founded on April - 23.
1649 On this day in history andreas Kneller, composer
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