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 the Herrings numbering between 3,000 and 4,000, confronted the much smaller English force who had set up defensive positions by drawing up the supply wagons into a makeshift fortification. The entire defensive formation was then further protected by the placement of sharpened spikes all around to prevent the French cavalry from charging, a tactic which had been employed, with great success, at the Battle of Agincourt. The French attack began with a bombardment using gunpowder artillery, a relatively new weapon for the time and one whose proper usage was not well understood although it was damaging to the wagons and caused English