In a word, no. While there is some debate about whether Arthur (the man) was in fact real, Merlin, Lancelot, Camelot,the Lady of the Lake, and (sadly) Excalibur have no basis in fact or history. With that being said, many of history’s most beloved characters are the product of nothing more than stories being passed on from generation to generation. According to Welsh legends, King Arthur became king after drawing Excalibur from stone. Some .