Watching a show recently about Jesus, called the Pagan Jesus it was a typical secular hatchet job on early Christianity. However within it was an interesting commentary on Jesus. The only first century evidence in ancient writings (according to the show) was Josephus.
So the opinion of scholars is that at least some of the below quote is a forgery. Purpetrated by a bishop at the time of Constantine.
Now there was about this time Jesus, a wise man, if it be lawful to call him a man; for he was a doer of wonderful works, a teacher of such men as receive the truth with pleasure. He drew over to him both many of the Jews and many of the Gentiles. He was [the] Christ. (64) And when Pilate, at the suggestion of the principal men among us, had condemned him to the cross , those that loved him at the first did not forsake him; for he appeared to them alive again the third day , as the divine prophets had foretold these and ten thousand other wonderful things concerning him. And the tribe of Christians, so named for him, are not extinct at this day.
taken from – Jewish Antiquities, 18.3.3 §63
(Based on the translation of Louis H. Feldman, The Loeb Classical Library.)
Scholars have debated this one for centuries. It appears in context that Josephus is describing a rumour of Jesus rather than “reality” but yet there is a lot of information that just sounds, well un-Jewish. So is this first century account, independent of the Gospels a hoax or a clever editing of a vaguer idea, or is really what came from the pen (or stylus) of the original author Flavius Josephus.