| al-Hadi أبو محمد موسى بن المهدي الهادي | |||||
|---|---|---|---|---|---|
| Khalifah Amir al-Mu'minin | |||||
 Dirham of al-Hadi minted in 786/787 in al-Haruniya | |||||
| 4th Caliph of the Abbasid Caliphate | |||||
| Reign | 24 July 785 – 14 September 786 | ||||
| Predecessor | al-Mahdi | ||||
| Successor | Harun al-Rashid | ||||
| Born | 26 April 764 Rayy, Abbasid Caliphate (in present-day Tehran Province) | ||||
| Died | 14 September 786 (aged 22) Baghdad, Abbasid Caliphate | ||||
| Burial | Haditha | ||||
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| Dynasty | Abbasid | ||||
| Father | al-Mahdi | ||||
| Mother | al-Khayzuran | ||||
| Religion | Sunni Islam | ||||
Abū Muḥammad Mūsā ibn al-Mahdī al-Hādī (Arabic: أبو محمد موسى بن المهدي الهادي; 26 April 764 CE – 14 September 786 CE)[1] better known by his laqab al-Hādī (الهادي) was the fourth Arab Abbasid caliph who succeeded his father al-Mahdi and ruled from 169 AH (785 CE) until his death in 170 AH (786 CE). His short reign ended with internal chaos and power struggles with his mother.[2]