Under al-Mu'tasim, its capital was moved to Samarra, while his son Mutawakkil persecuted the Mu'tazilites and attempted to restore traditional Islam as the empire's faith.
Under al-Mu'tasim, its capital was moved to Samarra, while his son Mutawakkil persecuted the Mu'tazilites and attempted to restore traditional Islam as the empire's faith. It was estalibhsed by al-Saffah, but its first strong ruler was al-Mansur, under whom the city of Baghdad was founded. FTP, identify this caliphate, which was established in 750 and whose rulers included Mamun the Great and Haroun al-Rashid.
Under al-Mu'tasim, its capital was moved to Samarra, while his son Mutawakkil persecuted the Mu'tazilites and attempted to restore traditional Islam as the empire's faith.
the {Abbasid} caliphate