Historical Events In October - 23
Monday, 29 December 2025
0425 Valentinian III is elevated as Roman Emperor, at the age of 6 on this day in history. 

0502 The Synodus Palmaris, called by Gothic king Theodoric the Great, discharges Pope Symmachus of all charges, thus ending the schism of Antipope Laurentius on October - 23. 

0585 Burgundy king Guntram opens synod of Mâcon (Mastico) on this day in history. 

0787 Byzantine empress Irene recovers Iconclastic cult at Nicaea on this day in history. 

1086 A Muslim army from Africa defeats Castile's Alfonso VI October 23 at Zallaka Yusuf ibn Tashfin, Berber leader of the Almoravids, sends cartloads of Christian heads to the chief cities of Spain and Africa's Magrib as evidence of his victory on October - 23. 

1086 Battle of Zalaka: Alfonso VI vs Almoravids on this day in history. 

1091 On this day in history tornado (possible T8/F4) strikes the heart of London killing 2 and demolishing the then wooden London Bridge 

1157 The Battle of Grathe Heath ends the civil war in Denmark. King Sweyn III is killed and Valdemar I restores the country on this day in history. 

1229 Otto II becomes earl of Gelre on October - 23. 

1260 On this day in history koetoez, Turkish sultan of Egypt, murdered 

1450 Johannes van Capestrano, Italian saint, dies at 70 on October - 23. 

1520 King Carlos I crowned, German emperor Charles V on this day in history. 

1543 On this day in history juan de la Cueva, Spain, dramatist 

1588 Medina Sidonia's Spanish Armada returns to Santander on October - 23. 

1602 On October - 23 franciscus Junius, French/Neth calvinist theologist/vicar, dies at 57 

1641 On this day in history outbreak of the Irish Rebellion of 1641 

1642 On this day in history battle at Edgeville (Warwick): King Charles I vs English parliament 

1644 On October - 23 sea battle of Fehmarn Sont: Adm Thijssen beats Denen 

1654 Johann Bernhard Staudt, composer on October - 23. 

1668 On this day in history jews of Barbados forbidden to engage in retail trade 

1679 Meal Tub Plot against James II of England on this day in history. 

1681 On October - 23 french troops under King Louis XIV occupy Staatsburg 

1684 On October - 23 colony Massachusetts under authority of English crown mounted 

1690 Revolt in Haarlem after public ban on smoking on this day in history. 

1694 American colonial forces, led by Sir William Phipps, fail to seize Quebec on October - 23. 

1698 Ange-Jacques Gabriel, French court architect (Palace de la Concorde) on October - 23. 

1702 -24] Battle in Bay of Vigo: Neth/Engl fleet destroy Span/French fleet on this day in history. 

1713 Peter Burmannus Secundus, [Pieter Burman], Dutch classicist on this day in history. 

1715 Peter II Aleksejevitsj, Emperor of Russia (1727-30) on this day in history. 

1739 War of Jenkins' Ear starts: British Prime Minister, Robert Walpole, reluctantly declares war on Spain on this day in history. 

1752 Nicolas Appert, inventor (food canning, bouillon tablet) on October - 23. 

1753 On October - 23 columban Praelisauer, composer, dies at 50 

1760 1st Jewish prayer books printed in US on this day in history. 

1767 On October - 23 h Benjamin Constant, [de Rebeque], French politician/writer 

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