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 Among the "circa" 1,500 prisoners taken by the English, were the following French notables: Anne Curry in her 2005 book "Agincourt: A New History", argues (based on research into the surviving administrative records) that the French army was about 12,000 strong, and the English army about 9,000, giving proportions of four to three. By contrast, Juliet Barker in her book "Agincourt: The King, the Campaign, the Battle" (also published in 2005) argues the English and Welsh were outnumbered "at least four to one and possibly as much as six to one". She suggests figures of about 6,000 for the English