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,
Battle of Camlann negotiations between Arthur and Mordred. Many die and Arthur kills Mordred in a final duel, but is himself mortally wounded. Arthur tasks his knight Griflet (or Bedivere) with returning his sword Excalibur to the Lady of the Lake, and the king is taken to Avalon. The "Mort Artu" account of Arthur's last battle was adapted into many subsequent works, including the Old French Post-Vulgate Cycle, the Middle English Stanzaic "Morte Arthur", and Thomas Malory's influential Middle English work "Le Mort d'Arthur". These works all locate the battle at Salisbury. In a popular motif, introduced by Geoffrey in "Historia" and elaborated