Holy Roman emperor and king of Germany (1106-1125) who fought against Flanders, Bohemia, Hungary, and Poland. King of England (1413-1422) who succeeded his father, Henry IV, and suppressed the Lollards, executing their leader, Sir John Oldcastle (1417). He also reopened the Hundred Years' War, defeating the French at Agincourt (1415) and capturing all of Normandy by 1419
son of Henry IV and King of England from 1413 to 1422; reopened the Hundred Years' War and defeated the French at Agincourt (1387-1422)