Historical Events In September - 23
Saturday, 03 January 2026
0079 Pope Linus on September - 23. 

0775 Constantine V Copronymus, Emperor of Byzantium (720-75), dies on this day in history. 

0918 The German king Conrad I dies after a 7-year reign in which he has warred with the Danes, the Slavs, the Magyars, and the duke of Saxony on September - 23. 

0918 On September - 23 koenraad I, German duke/king (911-18), dies at 42 

0951 On this day in history otto I the Great becomes king of Italy 

0965 On September - 23 aboe a-Taia-H al-Moetanabbi, Arabic royal poet (Diwan), murdered 

1122 The Holy Roman Emperor Henry V renounces the right of investiture with ring and crozier in the September 23 Concordat of Worms, recognizes freedom of election of the clergy, and promises to restore all church property on September - 23. 

1122 Concord of Worms on this day in history. 

1408 On September - 23 battle of Othee 

1459 Battle of Blore Heath, the first major battle of the English Wars of the Roses, is fought at Blore Heath in Staffordshire on September - 23. 

1513 On September - 23 king Henry III & Emperor Maximilian conquer Doornik 

1541 On this day in history philippus A Paracelsus, Swiss physician/alchemist, dies at 47 

1555 Louise de Coligny, French 4th wife of Willem of Orange on September - 23. 

1561 On September - 23 king Philip II of Spain forbids Spanish settlements in Florida 

1591 On September - 23 michael Lohr, composer 

1596 Joan Blaeu, cartographer/publisher on September - 23. 

1605 Daniel von Czepko, German poet on September - 23. 

1605 On September - 23 pontus de Tyard, French poet 

1624 On September - 23 willem Pietersz Buytewech, painter/etcher, dies at about 32 

1641 On this day in history adrian "Aart" van Wijck, theologist (against jansenisme) 

1642 Harvard College in Cambridge, Mass, 1st commencement on September - 23. 

1642 On this day in history giovanni Maria Bononcini, composer 

1666 Princess Maria of Orange-Nassau marries Mauritius earl of Simmeren on this day in history. 

1684 Johann Theodor Romhild, composer on this day in history. 

1694 On September - 23 francesco Passarini, composer, dies at 57 

1700 On this day in history nicolaus Adam Strungk, composer, dies at 59 

1703 On September - 23 jean-Marie Leclair, composer 

1712 Ferdinand VI, the wise, King of Spain (1746-59) on September - 23. 

1719 On this day in history liechtenstein declares independence from German empire 

1738 Hermannus Boerhaave, medical/botanist, dies at 69 on September - 23. 

1739 Russia & Turkey sign Peace of Belgrade on this day in history. 

1745 John Sevier, Tennessee, indian fighter (Gov/Rep-Tn) on September - 23. 

1746 Jacob Gilles appointed Dutch pension advisor on September - 23. 

1768 On September - 23 william Wallace, Scottish mathematician (Rights of Wallace) 

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