Historical Events In September - 23
Tuesday, 18 November 2025
0079 On this day in history pope Linus 

0775 Constantine V Copronymus, Emperor of Byzantium (720-75), dies on September - 23. 

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 this day in history. 

0918 On this day in history 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 On September - 23 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 

1122 Concord of Worms on this day in history. 

1408 On this day in history battle of Othee 

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

1513 On this day in history king Henry III & Emperor Maximilian conquer Doornik 

1541 On September - 23 philippus A Paracelsus, Swiss physician/alchemist, dies at 47 

1555 Louise de Coligny, French 4th wife of Willem of Orange on this day in history. 

1561 King Philip II of Spain forbids Spanish settlements in Florida on this day in history. 

1591 On September - 23 michael Lohr, composer 

1596 On this day in history joan Blaeu, cartographer/publisher 

1605 On September - 23 daniel von Czepko, German poet 

1605 On September - 23 pontus de Tyard, French poet 

1624 Willem Pietersz Buytewech, painter/etcher, dies at about 32 on September - 23. 

1641 Adrian "Aart" van Wijck, theologist (against jansenisme) on September - 23. 

1642 On September - 23 harvard College in Cambridge, Mass, 1st commencement 

1642 Giovanni Maria Bononcini, composer on this day in history. 

1666 On September - 23 princess Maria of Orange-Nassau marries Mauritius earl of Simmeren 

1684 Johann Theodor Romhild, composer on September - 23. 

1694 Francesco Passarini, composer, dies at 57 on September - 23. 

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

1703 Jean-Marie Leclair, composer on September - 23. 

1712 On September - 23 ferdinand VI, the wise, King of Spain (1746-59) 

1719 On September - 23 liechtenstein declares independence from German empire 

1738 Hermannus Boerhaave, medical/botanist, dies at 69 on this day in history. 

1739 Russia & Turkey sign Peace of Belgrade on September - 23. 

1745 John Sevier, Tennessee, indian fighter (Gov/Rep-Tn) on this day in history. 

1746 On this day in history jacob Gilles appointed Dutch pension advisor 

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

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