The second Abbasid Caliph, was famous for the construction of the city of Baghdad. His goal was to strengthen the rule of the Abbasids, he is the true founder of the Abbasid state, when he concentrated all the powers of the state in his hand and established the rules. His sons followed his path in making religious policy the basis for the rule of the Abbasids.

Drama/ historical/ thriller/ biography/ religious/ Islamic/ action​