Abū'l-Qāsim Aḥmad ibn al-Ẓāhir, better known by his regnal name al-Mustanṣir (II) bi-llāh was the first Abbasid caliph at Cairo under the Mamluk Sultanate. Installed by sultan Baybars, he reigned for almost five months before being killed in battle before Mongols in an attempt to retake Baghdad.
- Occupation
- ruler, caliph
- Position held
- Abbasid caliph
- Citizenship
- Abbasid Caliphate, Mamluk Sultanate of Egypt
- Born
- 1190
- Died
- November 27, 1261, 1262
