Pails in comparison to what Frank Dux and Frank Abagnale were able to convince much of the world they did with no evidence other than their own stories. Who knows how much of recorded and believed history is complete bullshit? Not to get too far into sacred territory, but claims around Siddhartha Gautama, Jesus Christ, and the Prophet Muhammad are quite a bit less plausible than the legends of Ragnar Lodbrok or the tales of Jonathan Swift, but nonetheless widely believed.