Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh al-Manṣūr, better known by his regnal name al-Mahdi, was the third Abbasid caliph who reigned from 775 to his death in 785. He succeeded his father, al-Mansur.
- Occupation
- politician, poet, caliph
- Position held
- Abbasid caliph
- Born
- August 3, 744
- Died
- July 24, 785
