The founder of the Abbasid dynasty called Muhammad Al-Imam who took control in 716. It is possible that this is the contemporary Mehmed referred to by John of Damascus as leading the Ishmaelies. He tried to unite the Kaysanites and the Sunnis. Under Abbasid influence a new Quran using materials from the Umayyads "book of the Arabs and from the Kaysanites Ahsana al-Hadith was composed.
==750 AbbasidsThe Umayyad Retreat==
The Abbasids did their best to eradicate any Umayyad legacy. Nevertheless the Judaized Umayyads continued to rule in Cordoba, Spain until the year 1030.