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
English longbow in England in the period between the Norman conquest and the reign of Edward III, but that powerful longbows shooting heavy arrows were a rarity until the later 13th century. Whether or not there was a technological revolution at the end of the 13th century therefore remains in dispute. What is agreed, however, is that the English longbow as an effective weapon system evolved in the late 13th and early 14th centuries. The longbow decided many medieval battles fought by the English and Welsh, the most significant of which were the Battle of Crécy (1346) and the Battle of Agincourt