Dafydd Gam campaign. His death in the battle was a fact noted in several contemporary chronicles. There is much controversy about whether Gam was knighted at the battle. His example shows that Welshmen continued to fight in the English army after the Glyndŵr rebellion. Stories of Gam's exploits at Battle of Agincourt in which he saved Henry V's life, and that he was knighted either posthumously or as he was dying on the field of victory at Agincourt by King Henry V as a result, are not vouched for in contemporary sources and have thus been discounted by many historians. According to
Battle of Agincourt had originally drawn up a battle plan that had archers and crossbowmen in front of their men-at-arms, with a cavalry force at the rear specifically designed to "fall upon the archers, and use their force to break them," but in the event, the French archers and crossbowmen were deployed "behind" and to the sides of the men-at-arms (where they seem to have played almost no part, except possibly for an initial volley of arrows at the start of the battle). The cavalry force, which could have devastated the English line if it had attacked while they moved their stakes, charged