There are dozens, if not hundreds, of historical figures from that time period whose existence is better documented than Jesus.
It partially has to do with the fact that he came from an insignificant, backwards corner of the Empire, the fact that his fame was almost exclusively post mortem everywhere outside Judea, and the fact that Jerusalem was destroyed and many records that may have been kept there were subjected to extreme danger of destruction.
Regardless, the facts are the facts. We have little evidence he existed.
Annoying wotmaniacs for 10 years.
Oh, I don't have time for this. I have to go and buy a single piece of fruit with a coupon and then return it, making people wait behind me while I complain. - Prof. Farnsworth
The Voice of Lews Therin
Find out what WOT really means...