the battle of agincourt was fought on 25 october 1415 and was a major win for england against france in the hundred years' war. it led to several later english victories. henry v of england led the english army and constable of france charles d'albret led a larger french army. king charles of france didn't engage because he was mentally unwell. henry v was involved in hand to hand combat and was struck by an axe but his helmet saved him.