Historical Events In September - 23
Tuesday, 19 August 2025
0079 Pope Linus on this day in history.
0775 On September - 23 constantine V Copronymus, Emperor of Byzantium (720-75), dies
0918 On this day in history 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 September - 23.
0965 Aboe a-Taia-H al-Moetanabbi, Arabic royal poet (Diwan), murdered on September - 23.
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 On September - 23 concord of Worms
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 this day in history.
1513 On this day in history 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 this day in history.
1561 On this day in history king Philip II of Spain forbids Spanish settlements in Florida
1591 Michael Lohr, composer on this day in history.
1596 On this day in history joan Blaeu, cartographer/publisher
1605 On this day in history daniel von Czepko, German poet
1605 On this day in history pontus de Tyard, French poet
1624 Willem Pietersz Buytewech, painter/etcher, dies at about 32 on this day in history.
1641 On this day in history adrian "Aart" van Wijck, theologist (against jansenisme)
1642 Harvard College in Cambridge, Mass, 1st commencement on this day in history.
1642 On this day in history giovanni Maria Bononcini, composer
1666 Princess Maria of Orange-Nassau marries Mauritius earl of Simmeren on September - 23.
1684 Johann Theodor Romhild, composer on this day in history.
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 this day in history.
1712 Ferdinand VI, the wise, King of Spain (1746-59) on this day in history.
1719 Liechtenstein declares independence from German empire on September - 23.
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 On September - 23 john Sevier, Tennessee, indian fighter (Gov/Rep-Tn)
1746 Jacob Gilles appointed Dutch pension advisor on September - 23.
1768 William Wallace, Scottish mathematician (Rights of Wallace) on this day in history.