Revealing mistake: Jesus is born without an umbilical cord.
The Nativity Story (2006)
1 revealing mistake - chronological order
Directed by: Catherine Hardwicke
Starring: Oscar Isaac, Hiam Abbass, Keisha Castle-Hughes, Shohreh Aghdashloo, Shaun Toub
Factual error: Traveling to Bethlehem Joseph buys a fish. It looks like a carp or catfish which were deemed unclean.