June 10

671 – Emperor Tenji of Japan introduces a water clock (clepsydra) called Rokoku. The instrument, which measures time and indicates hours, is placed in the capital of Ōtsu. 1190 – Third Crusade: Frederick I Barbarossa drowns in the river Saleph while leading an army to Jerusalem. 1329 – The Battle of Pelekanon is the last attempt of the Byzantine Empire to retain its cities in Asia Minor. 1358 – Battle of Mello: The peasant forces of the Jacquerie are crushed by the army of the French nobility. 1523 – Copenhagen is surrounded by the army of Frederick I of Denmark, as the city will not recognise him as the successor of Christian II of Denmark. 1539 – Council of Trent: Pope Paul III sends out letters to his bishops, delaying the Council due to war and the difficulty bishops had traveling to Venice. 1596 – Willem Barents and Jacob van Heemskerk discover Bear Island. 1619 – Thirty Years' War: Battle of Záblatí, a turning point in the Bohemian Revolt. 1624 – Signing of the Treaty of Compiègne between France and the Netherlands. 1692 – Salem witch trials: Bridget Bishop is hanged at Gallows Hill near Salem, Massachusetts, for "certaine Detestable Arts called Witchcraft and Sorceries". 1719 – Jacobite risings: Battle of Glen Shiel. 1782 – King Buddha Yodfa Chulaloke (Rama I) of Siam (modern day Thailand) is crowned. 1786 – A landslide dam on the Dadu River created by an earthquake ten days earlier collapses, killing 100,000 in the Sichuan province of China. 1793 – The Jardin des Plantes museum opens in Paris. A year later, it becomes the first public zoo. 1793 – French Revolution: Following the arrests of Girondin leaders, the Jacobins gain control of the Committee of Public Safety installing the revolutionary dictatorship. 1805 – First Barbary War: Yusuf Karamanli signs a treaty ending the hostilities between Tripolitania and the United States. 1829 – The first Boat Race between the University of Oxford and the University of Cambridge takes place on the Thames in London. 1838 – Myall Creek massacre: Twenty-eight Aboriginal Australians are murdered.