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
HMS Agincourt (1865) double bottom underneath the engine and boiler rooms. "Agincourt" was considered "an excellent sea-boat and a steady gun platform, but unhandy under steam and practically unmanageable under sail" as built. The ship's steadiness was partially a result of her metacentric height of . "Agincourt" had one 2-cylinder horizontal return connecting rod-steam engine, made by Maudslay, driving a single propeller using steam provided by 10 rectangular fire-tube boilers. It produced a total of during the ship's sea trials on 12 December 1865 and "Agincourt" had a maximum speed of . The ship carried of coal, enough to steam at . "Agincourt"