Any hard evidence that Julius Caesar, Alexander the Great etc really exited.
Manuscripts referring to them dating centuries after they passed away? No doubt the Persian , Greek and Roman empires did excists, but how much about their leaders , heroes, history etc are true?
Refer also to
http://www.revisedhistory.org/...ation-historical-dating.htm
More New Testament manuscripts dating too within decades of the original writers might prove more accurate and reliable than other ancient manuscripts and figures in history.