Chivalry and Betrayal: The Hundred Years' War to confirm his legitimacy resumed the war with France now led by a king who was insane. In 1415 he landed at Harfleur which fell after a long siege weakening the English army. Against advice Henry led his army on a chevauchée to English held Calais but was intercepted by a far larger French army at Agincourt and at the ensuing battle Henry's archers killed the cream of French nobility. At Agincourt Henry V, the son of a usurper, had proved his right to be King and he was determined to regain Normandy and recreate the Duchy and landed in
Battle of Agincourt was actually in the baggage train, concluded that the attack happened at the "start" of the battle. Regardless of when the baggage assault happened, at some point after the initial English victory, Henry became alarmed that the French were regrouping for another attack. The "Gesta Henrici" places this after the English had overcome the onslaught of the French men-at-arms and the weary English troops were eyeing the French rearguard ("in incomparable number and still fresh"). Le Fèvre and Wavrin similarly say that it was signs of the French rearguard regrouping and "marching forward in battle order" which made the English