On This Day May 15th
OTD May 15th is the one-hundred-thirty-fith day of the year in the Gregorian calendar; 230 days remain until the end of the year. Events 221 – Liu Bei, the Chinese warlord, proclaims himself emperor of Shu Han, the successor of the Han dynasty. 1525 – Insurgent peasants led by Anabaptist pastor Thomas Müntzer were defeated at the Battle of Frankenhausen, ending the German Peasants' War in the Holy Roman Empire. 1536 – Anne Boleyn, Queen of England, stands trial in London on charges of treason, adultery, and incest; she is condemned to death by a specially selected jury. 1618 – Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion. 1836 – Francis Baily observes "Baily's beads" during an annular eclipse. 1905 –Las Vegas was founded in Nevada, United States. 1911 – In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil as an "unreasonable" monopo