Historical Events In September - 23
Wednesday, 31 December 2025
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 this day in history. 

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

0951 Otto I the Great becomes king of Italy on September - 23. 

0965 Aboe a-Taia-H al-Moetanabbi, Arabic royal poet (Diwan), murdered on this day in history. 

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 On this day in history concord of Worms 

1408 On this day in history 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 King Henry III & Emperor Maximilian conquer Doornik on this day in history. 

1541 Philippus A Paracelsus, Swiss physician/alchemist, dies at 47 on this day in history. 

1555 On September - 23 louise de Coligny, French 4th wife of Willem of Orange 

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

1591 Michael Lohr, composer on this day in history. 

1596 Joan Blaeu, cartographer/publisher on this day in history. 

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

1605 On September - 23 pontus de Tyard, French poet 

1624 Willem Pietersz Buytewech, painter/etcher, dies at about 32 on this day in history. 

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

1642 On this day in history harvard College in Cambridge, Mass, 1st commencement 

1642 On September - 23 giovanni Maria Bononcini, composer 

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

1684 On September - 23 johann Theodor Romhild, composer 

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

1700 Nicolaus Adam Strungk, composer, dies at 59 on this day in history. 

1703 On this day in history jean-Marie Leclair, composer 

1712 On this day in history ferdinand VI, the wise, King of Spain (1746-59) 

1719 On September - 23 liechtenstein declares independence from German empire 

1738 On September - 23 hermannus Boerhaave, medical/botanist, dies at 69 

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 September - 23 jacob Gilles appointed Dutch pension advisor 

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

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