As far as I remember - no books under hand - some Artos or Arthur certainy existed and was some sort of general (dux bellorum : commander in war he was called) in fifth Century Britain, at the time of Britons against Saxons fighting. But who exactly he was it isn't known.
Melambra
"when one is suffering and in agony,
one immediately thinks of the CMB"
Two Wongs
"we(as avid readers)inhabit the worlds
our books take us to" Brad