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 (2004 film) during the climactic battle. Italian historian and novelist Valerio Massimo Manfredi claimed that the movie was almost a plagiarism of his 2002 novel "The Last Legion", due to several similarities between the two works. These similarities include the reuse of some tropes and happenings present in the book and, especially, the attempt to give historical reliability to the main characters with the concept of King Arthur having Roman origins. Indeed, the events of the movie suggest a theory that is largely different from the one on which Manfredi's novel is based, in which Artorius Castus isn't even mentioned, and neither