Al-Musta'in

Abū al-'Abbās Aḥmad ibn Muḥammad ibn Muḥammad (c. 836 – 866), known by his regnal name al-Musta'īn, was the twelfth caliph of the Abbasid Caliphate from 862 to 866. He was nephew to the tenth Abbasid caliph al-Mutawakkil.
==Biography==
Al-Musta'in was known for his reign during the Anarchy at Samarra, a succession crisis sparked by al-Mutawakkil's accidental murder at the hands of the thief Basim Ibn Ishaq.Assassin's Creed: Mirage – The Master Thief of Anbar With al-Mutawakkil's son and successor dying without heir, the Turkic military leaders met and elected al-Musta'in as caliph over al-Mutawakkil's other son, Abu 'Abdallah. When Abu 'Abdallah decried this as usurpation, since he had already chosen his own regnal name in anticipation of being crowned,Assassin's Creed: Mirage – Notes from Basim's travels: "Trouble at the Court" al-Musta'in placed him under house arrest to try and prevent him from gaining civilian support, though this had the inverse affect and instead instigated , echoing the Fourth Fitna from a generation earlier between caliph al-Amin and prince al-Ma'mun.Echoes of History – Figures of Baghdad – Episode 6: Who was al-Mu'tazz?
==Appearances==
*Assassin's Creed: Mirage 
*Echoes of History 
==References==
Category:836 births
Category:866 deaths
Category:Abbasid people
Category:Caliphs
Category:Abbasid dynasty