Historical Events In June - 23
Thursday, 18 September 2025
0758 Ho-tse Shen-hui, Zen teacher/disciple of Hui-neng, dies at 74 on June - 23.
0930 On this day in history world's oldest parliament, the Iceland Parliament, established
1018 Henry I of Austria on this day in history.
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 On this day in history theoduinus, Beiers prince-bishop of Liege, dies
1137 Adalbert I, archbishop of Mainz (1111-1137), dies on June - 23.
1139 On June - 23 andries van Kuik, bishop of Utrecht, dies
1160 Johannes de Matha, French saint/founder (Trinitarians) on this day in history.
1295 Pope Boniface VIII enters Rome on this day in history.
1298 Duke Albrecht von Habsburg chosen Roman Catholic German king on June - 23.
1305 French-Flemish peace treaty signed at Athis-sur-Orge on this day in history.
1444 Marcus, [Manuel] Eugenicus, Byzantine bishop of Efeze/theologist, dies on June - 23.
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 On June - 23 turgut Reis (Dragut), commander of the Ottoman Navy, dies during the Siege of Malta.
1585 On this day in history spanish army under Tassis beats Amerongen Staatse troops
1611 On this day in history henry Hudson set adrift in Hudson Bay by mutineers on his ship Discovery & never seen again
1612 On this day in history justus G Schottel, [Schottelius], German poet
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 this day in history.
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 June - 23.
1707 John Mill, English theologian on June - 23.
1713 On June - 23 the French residents of Acadia are given one year to declare allegiance to Britain or leave Nova Scotia, Canada.
1724 On June - 23 russia & Turkey sign Treaty of Constantinople
1749 On this day in history konrad Back, composer
1757 On June - 23 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 this day in history.
1760 Battle of Landshut Silesia: Austria beats Prussia on June - 23.
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 On this day in history matthijs Siegenbeek, Dutch linguist (spelling)