Historical Events In June - 23
Friday, 07 November 2025
0758 Ho-tse Shen-hui, Zen teacher/disciple of Hui-neng, dies at 74 on June - 23. 

0930 World's oldest parliament, the Iceland Parliament, established on June - 23. 

1018 Henry I of Austria on June - 23. 

1053 On this day in history norseman Robert Guiscard gains victory at Civitate over papal forces raised by Leo IX, who is captured Robert, 38, takes Benevento from the Byzantines and founds the Norman Empire that will rule southern Italy until 1194 

1075 Theoduinus, Beiers prince-bishop of Liege, dies on June - 23. 

1137 Adalbert I, archbishop of Mainz (1111-1137), dies on this day in history. 

1139 On June - 23 andries van Kuik, bishop of Utrecht, dies 

1160 Johannes de Matha, French saint/founder (Trinitarians) on June - 23. 

1295 On June - 23 pope Boniface VIII enters Rome 

1298 Duke Albrecht von Habsburg chosen Roman Catholic German king on June - 23. 

1305 On this day in history french-Flemish peace treaty signed at Athis-sur-Orge 

1444 Marcus, [Manuel] Eugenicus, Byzantine bishop of Efeze/theologist, dies on June - 23. 

1532 Henry VIII & Francois I signs secret treaty against emperor Karel V on June - 23. 

1540 On this day in history johann Baptista Serranus, composer 

1565 On June - 23 turgut Reis (Dragut), commander of the Ottoman Navy, dies during the Siege of Malta. 

1585 Spanish army under Tassis beats Amerongen Staatse troops on this day in history. 

1611 On this day in history henry Hudson set adrift in Hudson Bay by mutineers on his ship Discovery & never seen again 

1612 Justus G Schottel, [Schottelius], German poet on June - 23. 

1658 Dutch troops occupy last Portugese Fort Jafnapatnam Ceylon on this day in history. 

1661 On this day in history marriage contract for Charles II of England & Catharina of Portugal 

1683 William Penn signs friendship treaty with Lenni Lenape indians in Pennsylvania; only treaty "not sworn to, nor broken" on this day in history. 

1686 William Coventry, English statesman on this day in history. 

1707 On June - 23 john Mill, English theologian 

1713 On June - 23 the French residents of Acadia are given one year to declare allegiance to Britain or leave Nova Scotia, Canada. 

1724 Russia & Turkey sign Treaty of Constantinople on this day in history. 

1749 Konrad Back, composer on this day in history. 

1757 Robert Clive defeats Indians at Plassey, wins control of Bengal on June - 23. 

1758 Seven Years' War: Battle of Krefeld on June - 23. 

1760 Battle of Landshut, Silesia on this day in history. 

1760 On this day in history battle of Landshut Silesia: Austria beats Prussia 

1763 On this day in history the birth of Josephine de Beauharnais, Wife of Napoleon 

1763 On this day in history josephine Martiniques, empress of France (1804-14) 

1771 Jean-Claude Trial, composer, dies at 38 on this day in history. 

1774 Matthijs Siegenbeek, Dutch linguist (spelling) on June - 23. 

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