History of Medieval Cumbria has no actual associations with Arthur but is said to have been a duelling ground for Lancelot. It, too, was near Clifford's castle at Brougham and was probably given the name by him. It was also believed that Arthur's last battle at Camlann, in which he was fatally wounded, was fought near the fort of Birdoswald, whose Roman name was thought to have been Camboglanna (although it is now thought that Birdoswald was really called Banna, with Castlesteads being Camboglanna). The Roman bath-house at Ravenglass, known locally as Walls Castle, was thought to be the Arthurian "Lyons Garde", or Taliesin's
King Arthur Arthur. Partly in reaction to such theories, another school of thought emerged which argued that Arthur had no historical existence at all. Morris's "Age of Arthur" prompted the archaeologist Nowell Myres to observe that "no figure on the borderline of history and mythology has wasted more of the historian's time". Gildas' 6th-century polemic "De Excidio et Conquestu Britanniae" ("On the Ruin and Conquest of Britain"), written within living memory of Badon, mentions the battle but does not mention Arthur. Arthur is not mentioned in the "Anglo-Saxon Chronicle" or named in any surviving manuscript written between 400 and 820. He is