siffin

Updated: May 15, 2025

After this victory, which was styled the Day of the Camel, Ali marched against a more formidable adversary; against Moawiyah, the son of Abu Sophian, who had assumed the title of caliph, and whose claim was supported by the forces of Syria and the interest of the house of Ommiyah. From the passage of Thapsacus, the plain of Siffin extends along the western bank of the Euphrates.

Edward Gibbon - History of the Decline and Fall of the Roman Empire — Volume 5