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. 1692 – Salem witch trials: Bridget Bishop is hanged at Gallows Hill near Salem, Massachusetts, for “certaine Detestable Arts called Witchcraft & Sorceries”. 1786 – A landslide dam on the Dadu River created...