

This dispute spread across various parts of the Muslim world, which eventually led to the Battle of Jamal and Battle of Siffin.

After the death of Muhammad in 632, a group of Muslims, who would come to be known as the Sunnis, believed that Muhammad's successor should be Abu Bakr, whereas a second group of Muslims, who would come to be known as the Shias, believed that his successor should have been Ali. The origin of Shia–Sunni relations can be traced back to a dispute over the succession to the Islamic prophet Muhammad as a caliph of the Islamic community.
