Reign of al-Mahdi (3 gen 775 anni – 9 gen 785 anni)
Descrizione:
During the reign of al-Mahdi, the administration of the Abbasid empire is expanded and specialized. Divisions known as Diwan are created, which are then headed by wazirs.Aggiunto al nastro di tempo:
Data:
3 gen 775 anni
9 gen 785 anni
~ 10 years