Historical Events In June - 23
Saturday, 04 October 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 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 this day in history.
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 June - 23.
1160 Johannes de Matha, French saint/founder (Trinitarians) on June - 23.
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 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 On this day in history johann Baptista Serranus, composer
1565 Turgut Reis (Dragut), commander of the Ottoman Navy, dies during the Siege of Malta on this day in history.
1585 Spanish army under Tassis beats Amerongen Staatse troops on this day in history.
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 Dutch troops occupy last Portugese Fort Jafnapatnam Ceylon on this day in history.
1661 Marriage contract for Charles II of England & Catharina of Portugal on June - 23.
1683 William Penn signs friendship treaty with Lenni Lenape indians in Pennsylvania; only treaty "not sworn to, nor broken" on June - 23.
1686 William Coventry, English statesman on June - 23.
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 On June - 23 russia & Turkey sign Treaty of Constantinople
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 June - 23 battle of Landshut Silesia: Austria beats Prussia
1763 On June - 23 the birth of Josephine de Beauharnais, Wife of Napoleon
1763 Josephine Martiniques, empress of France (1804-14) on June - 23.
1771 On this day in history jean-Claude Trial, composer, dies at 38
1774 Matthijs Siegenbeek, Dutch linguist (spelling) on this day in history.