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 Agincourt of nine major northern towns were killed, often along with their sons, relatives and supporters. In the words of Juliet Barker, the battle "cut a great swath through the natural leaders of French society in Artois, Ponthieu, Normandy, Picardy." Estimates of the number of prisoners vary between 700 and 2,200, amongst them the Duke of Orléans (the famous poet Charles d'Orléans) and Jean Le Maingre (known as Boucicault), Marshal of France. Although the victory had been militarily decisive, its impact was complex. It did not lead to further English conquests immediately as Henry's priority was to return to England, which