If Jesus was real, they wouldn’t call it the crucifixion. They would call it crucifact.
Crucifact Pun
Explanation
The joke plays on the word 'crucifixion' by changing it to 'crucifact'. This suggests that if Jesus's crucifixion was a real historical fact, it would be called 'crucifact', which sounds like a humorous combination of 'crucifixion' and 'fact'. It uses wordplay to make a lighthearted comment about the historicity of the crucifixion.
Serbian patriot and a follower of Jesus
You have no proof that Jesus is not real