Hundred Years' War English-occupied Calais. In a campaign reminiscent of Crécy, he found himself outmanoeuvred and low on supplies and had to fight a much larger French army at the Battle of Agincourt, north of the Somme. Despite the problems and having a smaller force, his victory was near-total; the French defeat was catastrophic, costing the lives of many of the Armagnac leaders. About 40% of the French nobility was killed. Henry was apparently concerned that the large number of prisoners taken were a security risk (there were more French prisoners than there were soldiers in the entire English army) and he ordered
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