`  :Rob, there are thousands of historical figures which have recorded lives and histories though no ``extant`` documents 100% prove their existence. As has been mentioned before, there is little such evidence for Alexander the Great or Julius Caesar, but we know they exist because of references in various material. Are you asking for a 2,000 year old peice of paper signed by Pontus Pilate to establish the existence of Jesus or what? How come there isn't a POV tag above those articles? — `