Historical Events May 4 Religious reformers John Wycliffe and Jan Hus are condemned as heretics at the Council of Constance May 29 Pope John XXIII [Baldassare Cossa] formally deposed as Pope at the Conference of Constance, Germany, after he had fled the town in disguise Events in 1415 Famous Birthdays May 3 Cecily Neville, mother of Edward IV of England and Richard III of England, born in Raby Castle, Durham, England (d. 1495) Born in 1415 1414 History by Year 1416 What Happened in 1415 Defiance in the Hundred Years' WarAugust 13, 1415