Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr usually known simply as by his laqab al-Manṣūr (المنصور) was the second Abbasid caliph, reigning from 754 to 775, succeeding his brother al-Saffah. He founded the 'Round City' of Madinat al-Salam, which was to become the core of imperial Baghdad.
- Occupation
- politician, poet, caliph
- Position held
- Abbasid caliph
- Born
- 714, November 713
- Died
- October 7, 775, October 18, 775
