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Edward III inflicts a crushing defeat on Philip VI at the Battle of Crécy.
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The Black Death reaches Europe.
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Philip VI dies and is succeeded by his son John II.
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Edward, the Black Prince, son of Edward III, defeats John II at the Battle of Poitiers. John II is among the captured.
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The Treaty of Brétigny. Edward III renounces his claim to the French throne in return for the restoration and suxerainty of Aquitaine. Edward makes his son, the Black Prince, Duke of Aquitaine.
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The defeat and death of Charles of Blois at the Battle of Auray marks the end of the Breton War of Succession.
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The Black Prince intervenes in the civil war in Castile between Pedro the Cruel and Henry of Trastamara.
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The Black Prince dies.
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Henry V of England lands at Harfleur in Normandy and takes the city. He wins a near-total victory over the French at the Battle of Agincourt.
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Rouen falls to Henry V on 19 January, placing Normandy under English control. Burgundy allies with England.
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Henry V and Charles VI of France sign the Treaty of Troyes. Henry marries Catherine of Valois, daughter of Charles VI, and their heir would inherit both kingdoms. The Dauphin, Charles VII is declared illegitimate.
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Joan of Arc breaks the siege of Orléans. The Dauphin is crowned King of France at Reims.
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Burgundy switches sides, signing the Treaty of Arras.
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An English attempt to relieve Caen is defeated at the Battle of Formigny. The French take Cherbourg.
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John Talbot, 1st Earl of Shrewsbury attempts to retake Gascony, but is defeated by Jean Bureau at the Battle of Castillon.