Here are five incredible observations about why one should seriously consider the Gospel accounts of Jesus' Resurrection to be historical fact. And note, ALL of them did NOT come from the Bible!
https://www.youtube.com/watch?v=qK6Z03dg1kQ
And see here where Gary Habermas, perhaps the world's greatest authority on the evidences for Jesus' Resurrection from the dead, for five Resurrection facts that happened by 36 A.D. - or rather, the astonishing things that happened within about three years after Jesus arose from the dead! https://www.youtube.com/watch?v=wWhIVFJ4xUo