Reign of al-Mahdi (3 янв 775 г. – 9 янв 785 г.)
Описание:
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.Добавлено на ленту времени:
Дата:
3 янв 775 г.
9 янв 785 г.
~ 10 years