Spot the Not #47 - how many angels can dance on the head of a pin?

All of the following statements are true except one. Can you Spot the Not?

1. The Sunni/Shia split came from an argument over who should have been Mohamed's successor

2. One reason for the Schism of 1054 was whether leavened or unleavened bread should be used for communion.

3. Buddhism was split over how much saints should be worshiped.

4. Judaism split over the correct diameter of yarmulkes.

5. The Mormon Church split over whether polygamy should be allowed.

6. The Russian Orthodox Church split over how to bend their fingers to make the sign of the cross.