The Hundred Years’ War was a long intermittent conflict (1337–1453) between the Valois kings of France and the kings of England over the French crown and continental fiefs.
Crécy, Poitiers, Agincourt
Major English victories marked the first phases; the Treaty of Troyes (1420) disinherited the dauphin.
Joan of Arc and recovery
Joan of Arc and Charles VII turned the tide; Castillon (1453) ended English presence in Guyenne.