Henry IV, King /ˌhenri ðə ˈfɔːθ $ -ˈfɔːrθ/ BrE AmE
(1366–1413) the king of England from 1399, when he took power from King Richard II, until his death. He spent much of his time as king fighting to gain control over Wales and Scotland, but he was unsuccessful in this. There are two plays by William Shakespeare about his life ( Henry IV, Part I , and Henry IV, Part II ).