Henry IV Part I, the first part of an historical trilogy, was written and performed about 1597-98, and Shakespeare drew on Hall and Holinshed's chronicles and Daniel's The Civil Wars for the background. Henry Percy, the legendary Harry Hotspur and elder son of the Earl of Northumberland, defeats the rebellious Scots but refuses to surrender his prisoners to the king unless his kinsman,Edmund Mortimer, the prisoner of the Welsh leader Owen Glendower, is ransomed. However, Mortimer is a pretender to thethrone of England and Henry refuses to ransom him……