This Bible contradiction is from the Infidels.org.
1 Corinthians 15:5 View context
And that he was seen of Cephas, then of the twelve:
Matthew 27:3 View context
Then Judas, which had betrayed him, when he saw that he was condemned, repented himself, and brought again the thirty pieces of silver to the chief priests and elders,
Acts 1:9 View context
And when he had spoken these things, while they beheld, he was taken up; and a cloud received him out of their sight.
Matthew 28:16 View context
Then the eleven disciples went away into Galilee, into a mountain where Jesus had appointed them.