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Nennius pushed the date of the battle of Mons Badonicus, to a later time, in AD 516. This was the first mention of Arthur in the historical (psuedo-historial) source. Then it was, that the magnanimous Arthur, with all the kings and military force of Britain, fought against the Saxons.
1 The Once and Future King actually takes a fairly ambiguous approach towards the sword(s). 2  The Sword in the Stone is not given any other name when Arthur pulls it out, but after a bit of a Time Skip, the sword Arthur brings to battle is referred to as Excalibur.his origin for Excalibur was used by Malory in Le Morte D Arthur. Malory's version of the Arthurian stories, written when the Middle Ages were almost over, would become the best-known version to English-speaking readers.