June 5, 70 Titus and his Roman legions breached the middle wall of Jerusalem in the Siege of Jerusalem. 1099 Members of the First Crusade witnessed an eclipse of the moon and interpreted it as a sign they would recapture Jerusalem. 1294 Saint Celestine V was elected Roman Catholic pope. He was unhappy with the office and abdicated before the year was out. 1341 Edmund of Langley, first Duke of York, son of Edward III of England was born.