The Battle of Patay (18 June 1429) was an important battle in the Hundred Years' War between the French and the English in north-central France. The French won and the English lost badly. Many men in the English longbow corps died. Many English leaders of the battle were killed or taken prisoner. This battle changed the course of the war and made the French more powerful. Joan of Arc was the head of the battle leading the French and was the reason that the French won the battle and the Hundred Years' War.