Chivalry and Betrayal: The Hundred Years' War
In 1435 Bedford died and sworn enemies Charles VII and Phillip, Duke of Burgundy joined forces to get the English out and with Henry VI reluctance to wage war and to maintain peace by marrying Margaret of Anjou. Charles had no intention of peace and used cannon and sieges to retake France and Normandy culminating in the defeat of the English at the Battle of Castillon in the last English territory of Gascony ending the hundred years war.
Kingdom of England
Edward III was the first English king to have a claim to the throne of France. His pursuit of the claim resulted in the Hundred Years' War (1337–1453), which pitted five kings of England of the House of Plantagenet against five kings of France of the Capetian House of Valois. Extensive naval raiding was carried out by all sides during the war, often involving privateers such as John Hawley of Dartmouth or the Castilian Pero Niño. Though the English won numerous victories, they were unable to overcome the numerical superiority of the French and their strategic use of gunpowder weapons. England was defeated at the Battle of Formigny in 1450 and finally at the Battle of Castillon in 1453, retaining only a single town in France, Calais.