Tuesday, May 22, 2012
May 22, 334 BC – The Macedonian army of Alexander the Great defeated Darius III of Persia in the Battle of the Granicus. 337 Constantine the Great, the first Roman Emperor to convert to Christianity died. 760 - 14th recorded perihelion passage of Halley's Comet. 1377 Pope Gregory XI issued five papal bulls to denounce the doctrines of English theologian John Wycliffe. 1455 Wars of the Roses: at the First Battle of St Albans, Richard, Duke of York, defeated and captured King Henry VI of England.