Reign of al-Mahdi (3 janv. 775 – 9 janv. 785)
Description:
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.Ajouté au bande de temps:
Date:
3 janv. 775
9 janv. 785
~ 10 years