Biographical Data :
|Name :||Al Mahdi|
|Period :|| - 785|
|Biographical detail : || The third Abbasi Khalifa.
He succeeded to the throne of Baghdad, after the death of his father, Jafar al-Mansur, in 775. In 783, Irene the Byzantine Queen was forced to conclude a treaty involving the payment of 90,000 dinars annually.
| ||(Compiler : M. Nauman Khan / Ghulam Mohiuddin)|