The wikipedia entry on the subject makes the following claim;
Despite divergent scholarly opinions on the construction of portraits of the historical Jesus, almost all modern scholars consider his baptism and crucifixion to be historical facts.
(my emphasis)
As historical scholars, do you feel this is true of the majority of your colleagues and/or yourself?
The FAQ should help you here: http://www.reddit.com/r/AskHistorians/wiki/religion#wiki_did_jesus_exist.3F