Historical Events In September - 23
Saturday, 01 November 2025
0079 On September - 23 pope Linus 

0775 On September - 23 constantine V Copronymus, Emperor of Byzantium (720-75), dies 

0918 On September - 23 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 

0918 Koenraad I, German duke/king (911-18), dies at 42 on this day in history. 

0951 Otto I the Great becomes king of Italy on this day in history. 

0965 On this day in history 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 September - 23. 

1408 Battle of Othee on this day in history. 

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

1555 On this day in history louise de Coligny, French 4th wife of Willem of Orange 

1561 King Philip II of Spain forbids Spanish settlements in Florida on September - 23. 

1591 On this day in history michael Lohr, composer 

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

1605 Daniel von Czepko, German poet on this day in history. 

1605 On this day in history pontus de Tyard, French poet 

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

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 September - 23. 

1684 On September - 23 johann Theodor Romhild, composer 

1694 Francesco Passarini, composer, dies at 57 on this day in history. 

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

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

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

1719 Liechtenstein declares independence from German empire on this day in history. 

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

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 this day in history. 

1768 On this day in history william Wallace, Scottish mathematician (Rights of Wallace) 

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