Historical Events In June - 23
Thursday, 20 November 2025
0758 On June - 23 ho-tse Shen-hui, Zen teacher/disciple of Hui-neng, dies at 74 

0930 World's oldest parliament, the Iceland Parliament, established on this day in history. 

1018 On June - 23 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 On June - 23 adalbert I, archbishop of Mainz (1111-1137), dies 

1139 Andries van Kuik, bishop of Utrecht, dies on this day in history. 

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

1295 On this day in history pope Boniface VIII enters Rome 

1298 Duke Albrecht von Habsburg chosen Roman Catholic German king on this day in history. 

1305 French-Flemish peace treaty signed at Athis-sur-Orge on this day in history. 

1444 On June - 23 marcus, [Manuel] Eugenicus, Byzantine bishop of Efeze/theologist, dies 

1532 On this day in history henry VIII & Francois I signs secret treaty against emperor Karel V 

1540 Johann Baptista Serranus, composer on this day in history. 

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

1585 On June - 23 spanish army under Tassis beats Amerongen Staatse troops 

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

1612 Justus G Schottel, [Schottelius], German poet on this day in history. 

1658 On June - 23 dutch troops occupy last Portugese Fort Jafnapatnam Ceylon 

1661 On June - 23 marriage contract for Charles II of England & Catharina of Portugal 

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 On June - 23 john Mill, English theologian 

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

1724 On this day in history russia & Turkey sign Treaty of Constantinople 

1749 On this day in history konrad Back, composer 

1757 On this day in history robert Clive defeats Indians at Plassey, wins control of Bengal 

1758 On this day in history seven Years' War: Battle of Krefeld 

1760 Battle of Landshut, Silesia on June - 23. 

1760 Battle of Landshut Silesia: Austria beats Prussia on this day in history. 

1763 On June - 23 the birth of Josephine de Beauharnais, Wife of Napoleon 

1763 Josephine Martiniques, empress of France (1804-14) on this day in history. 

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

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

Hisdates•Com