Henry IV (c. April 1367 – 20 March 1413), also known as Henry Bolingbroke, was King of England from 1399 to 1413. Henry was the son of John of Gaunt, Duke of Lancaster (third son of Edward III), and Blanche of Lancaster.
Henry was involved in the 1388 revolt of Lords Appellant against Richard II, his first cousin, but he was not punished. However, he was exiled from court in 1398. After Henry's father died in 1399, Richard blocked Henry's inheritance of his father's lands. That year, Henry rallied a group of supporters, overthrew and imprisoned Richard II, and usurped the throne; these actions...