Battle of Siffin

The Battle of Nahrawan (658 CE) was fought between Caliph Ali and the Kharijites who defected after the arbitration at Siffin. This battle marked the emergence of the Kharijite movement and led to Ali's assassination.

The Battle of Siffin (657 CE) was a major confrontation between Caliph Ali and Muawiyah that ended with controversial arbitration, marking a turning point that led to the emergence of the Kharijites and deepening sectarian divisions.

Founder and first caliph of the Umayyad Caliphate (602-680 CE), who served as governor of Syria for twenty years before establishing the first hereditary Islamic dynasty.