Historical Events In June - 23
Wednesday, 05 November 2025
0758 Ho-tse Shen-hui, Zen teacher/disciple of Hui-neng, dies at 74 on June - 23. 

0930 On June - 23 world's oldest parliament, the Iceland Parliament, established 

1018 On this day in history henry I of Austria 

1053 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 on June - 23. 

1075 On this day in history theoduinus, Beiers prince-bishop of Liege, dies 

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

1139 On this day in history andries van Kuik, bishop of Utrecht, dies 

1160 On June - 23 johannes de Matha, French saint/founder (Trinitarians) 

1295 On June - 23 pope Boniface VIII enters Rome 

1298 On this day in history duke Albrecht von Habsburg chosen Roman Catholic German king 

1305 French-Flemish peace treaty signed at Athis-sur-Orge on June - 23. 

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

1532 On June - 23 henry VIII & Francois I signs secret treaty against emperor Karel V 

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 On June - 23 spanish army under Tassis beats Amerongen Staatse troops 

1611 On June - 23 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 On this day in history dutch troops occupy last Portugese Fort Jafnapatnam Ceylon 

1661 Marriage contract for Charles II of England & Catharina of Portugal on June - 23. 

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

1686 On June - 23 william Coventry, English statesman 

1707 John Mill, English theologian on this day in history. 

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

1724 Russia & Turkey sign Treaty of Constantinople on June - 23. 

1749 Konrad Back, composer on June - 23. 

1757 Robert Clive defeats Indians at Plassey, wins control of Bengal on this day in history. 

1758 Seven Years' War: Battle of Krefeld on this day in history. 

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

1760 On June - 23 battle of Landshut Silesia: Austria beats Prussia 

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

1763 On June - 23 josephine Martiniques, empress of France (1804-14) 

1771 On this day in history jean-Claude Trial, composer, dies at 38 

1774 Matthijs Siegenbeek, Dutch linguist (spelling) on this day in history. 

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