The Battle of Evesham (4 August 1265) was one of the two main battles of 13th century England's Second Barons' War. It marked the defeat of Simon de Montfort, Earl of Leicester, and the rebellious barons by the future King Edward I, who led the forces of his father, King Henry III. It took place on 4 August 1265, near the town of Evesham, Worcestershire.

With the Battle of Lewes, de Montfort had won control of royal government, but after the defection of several close allies and the escape from captivity of Prince Edward, he found himself on the defensive. Forced to engage the royalists at Evesham, he faced an army twice the size of his own. The battle soon turned into a massacre; de Montfort himself was killed and his body mutilated. It was described by the contemporary historian Robert of Gloucester as the "murder of Evesham, for battle it was none". Though the battle effectively restored royal authority, scattered resistance remained until the Dictum of Kenilworth was signed in 1267.



The Second Barons' War (1264–1267) was a civil war in England between the forces of a number of barons led by Simon de Montfort against the royalist forces of King Henry III, led initially by the king himself and later by his son, the future King Edward I. The barons sought to force the king to rule with a council of barons rather than through his favourites. The war also featured a series of massacres of Jews by de Montfort's supporters including his sons Henry and Simon, in attacks aimed at seizing and destroying evidence of baronial debts. To bolster the initial success of his baronial regime, de Montfort sought to broaden the social foundations of parliament by extending the franchise to the commons for the first time. However, after a rule of just over a year, de Montfort was killed by forces loyal to the king in the Battle of Evesham.