Historicity of King Arthur in the mid-10th century and gives the date of Badon as 516, and it lists Arthur's death as occurring in 537 at the Battle of Camlann. The annals survive in a version dating from the 10th century, and all other sources that name Arthur were written at least 400 years after the events which they describe. Arthur was first styled as a king of the Britons in Geoffrey of Monmouth's chronicle "Historia Regum Britanniae" (c. 1136). Geoffrey also makes Ambrosius Aurelianus (whom he calls Aurelius Ambrosius) a king of Britain and an older brother of Uther Pendragon, father of Arthur,
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