Ahmad Abdallah ibn al-Mustansir bi'llah (Arabic: أبو أحمد عبد الله بن المستنصر بالله), better known by his regnal title Al-Mustaʿṣim bi-llāh (Arabic: المستعصم...

Abū Yahya Zakariya al-Musta'sim bi'llah (Arabic: أبو يحيى زكريا المستعصم بالله; died 1389) was the eighth Abbasid caliph of Cairo under the tutelage of...

al-Musta'sim, a large army under the Mongol prince Hulegu attacked the city. Within a few weeks, the city fell and was sacked by the Mongol army—al-Musta'sim...

The Al-Musta'sim Billah Mosque (Arabic: مسجد المستعصم بالله), formerly the Abu Rabi'ah Mosque, is an Islamic mosque and shrine located in the district...

called the name of the Al-Mu'tasim. He remained in succession until 791 AH and returned to the office, removed Al-Musta'sim. Al-Mutawakil continued the...

December 1242. His son Al-Musta'sim succeeded him as the thirty-seventh and last Caliph of the Abbasid Caliphate. One of Al-Mustansir's concubines was...

siege of Baghdad by the Mongols under Hulagu Khan and the execution of al-Musta'sim. The Abbasid line of rulers re-centred themselves in the Mamluk capital...

Caliph Al-Musta'sim in 1258, these Cairene Caliphs had resided in Cairo as nominal rulers used to legitimize the actual rule of the Mamluk sultans. Al-Mutawakkil...

member of the Abbasid house who was imprisoned by his nephew the Caliph al-Musta'sim in Baghdad. Following the Sack of Baghdad by the Mongols in 1258, he...

According to the historian, Angelika Hartmann, al-Nasir was the last effective Abbasid caliph. Al-Musta'sim, last Abbasid caliph of Baghdad. List of Abbasid...