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 comics and other media. The historical basis for King Arthur has long been debated by scholars. One school of thought, citing entries in the "Historia Brittonum" ("History of the Britons") and "Annales Cambriae" ("Welsh Annals"), sees Arthur as a genuine historical figure, a Romano-British leader who fought against the invading Anglo-Saxons some time in the late 5th to early 6th century. The "Historia Brittonum", a 9th-century Latin historical compilation attributed in some late manuscripts to a Welsh cleric called Nennius, contains the first datable mention of King Arthur, listing twelve battles that Arthur fought. These culminate in the Battle of