Historical Events In June - 23
Wednesday, 20 August 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 On June - 23 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 June - 23.
1139 On June - 23 andries van Kuik, bishop of Utrecht, dies
1160 On June - 23 johannes de Matha, French saint/founder (Trinitarians)
1295 Pope Boniface VIII enters Rome on June - 23.
1298 On this day in history duke Albrecht von Habsburg chosen Roman Catholic German king
1305 On this day in history french-Flemish peace treaty signed at Athis-sur-Orge
1444 On this day in history 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 June - 23.
1565 Turgut Reis (Dragut), commander of the Ottoman Navy, dies during the Siege of Malta on this day in history.
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 June - 23.
1612 On June - 23 justus G Schottel, [Schottelius], German poet
1658 On June - 23 dutch troops occupy last Portugese Fort Jafnapatnam Ceylon
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 June - 23.
1686 On June - 23 william Coventry, English statesman
1707 John Mill, English theologian on June - 23.
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 June - 23 russia & Turkey sign Treaty of Constantinople
1749 On June - 23 konrad Back, composer
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 On June - 23 battle of Landshut, Silesia
1760 Battle of Landshut Silesia: Austria beats Prussia on June - 23.
1763 The birth of Josephine de Beauharnais, Wife of Napoleon on this day in history.
1763 On June - 23 josephine Martiniques, empress of France (1804-14)
1771 On June - 23 jean-Claude Trial, composer, dies at 38
1774 Matthijs Siegenbeek, Dutch linguist (spelling) on this day in history.