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 the ground by the English. As the mêlée developed, the French second line also joined the attack, but they too were swallowed up, with the narrow terrain meaning the extra numbers could not be used effectively. Rogers suggested that the French at the back of their deep formation would have been attempting to literally add their weight to the advance, without realising that they were hindering the ability of those at the front to manoeuvre and fight by pushing them into the English formation of lancepoints. After the initial wave, the French would have had to fight over and on