. . . "The Battle of Siffin (Arabic: \u0635\u0641\u064A\u0646\u200E; May\u2013July 657 CE) occurred during the First Fitna, or first Muslim civil war, with the main engagement taking place from July 26 to July 28. It was fought between Ali ibn Abi Talib and Muawiyah I, on the banks of the Euphrates river, in what is now Ar-Raqqah, Syria."@en . . . "0657-07-28Z"^^ . . "Bani Umayya" . . "2nd Major Muslim Civil War" . . "Battle of Siffin"@en . . "Inconclusive" . . . . . . . . "23pxRashidun Caliphate" .