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 that the prisoners (who, in an unusual turn of events, actually outnumbered their captors) would realize their advantage in numbers, rearm themselves with the weapons strewn about the field and overwhelm the exhausted English forces. Contemporary chroniclers did not criticise him for it. In his study of the battle, John Keegan argued that the main aim was not to actually kill the French knights but rather to terrorise them into submission and quell any possibility they might resume the fight, which would probably have caused the uncommitted French reserve forces to join the fray, as well. Such an event would