Al-Aziz Billah

al-Aziz Billah العزيز بالله
Gold dinar of al-Aziz minted in Palestine in AH 366 (976/977 CE)
Imam–Caliph of the Fatimid Caliphate
Reign	18 December 975 – 13 October 996
Predecessor	al-Mu'izz li-Din Allah
Successor	al-Hakim bi-Amr Allah
Born	( 955-05-10)10 May 955
Died	13 October 996(996-10-13) (aged 41)
Issue	al-Hakim bi-Amr Allah Sitt al-Mulk
Names Kunya: Abu Mansur Given name: Nizar Laqab: al-Aziz Billah
Dynasty	Fatimid
Father	al-Mu'izz li-Din Allah
Mother	Durzan al-Mu'iziyya
Religion	Isma'ili Shia Islam

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Early Imāms Ali Hasan Husayn as-Sajjad al-Baqir Jaʿfar al-Ṣādiq Ismāʿīl ibn Jaʿfar al-Mubārak Muhammad ibn Ismāʿīl ash-Shākir ʿAbad Allāh (al-Wāfī Ahmad) Ahmad (al-Taqī Muhammad) Ḥusayn (ar-Raḍī ʿAbd Allāh) ʿAbd Allāh al-Mahdī bi'l-Lāh al-Qāʾim al-Manṣūr Maʿad al-Muʿizz li-Dīn Allāh Nizār al-ʿAzīz biʾllāh, Manṣūr al-Ḥākim bi-Amr Allāh ʿAlī al-Ẓāhir li-iʿzāz Dīn Allāh Maʿad al-Mustanṣir bi'l-Lāh Nizār al-Muṣṭafā li-Dīn’il-Lāh / Aḥmad al-Mustāʿlī bi'l-Lāh Manṣūr al-Āmir bi-Aḥkām’il-Lāh ʿAbd al-Majīd al-Ḥāfiz li-Dīn Allāh / Abu'l-Qāsim al-Tayyib
Incumbent leaders Nizārī Ismā'īlī Imām: Aga Khan IV Musta'li Ismaili-Taiyabi Dā'ī al-Mutlaqs: Alavi Bohra: Haatim Zakiyuddin Dawoodi Bohra: Mufaddal Saifuddin Qutbi Bohra: Taher Fakhruddin
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Abu Mansur Nizar (Arabic: أبو منصور نزار, romanized: Abū Manṣūr Nizār; 10 May 955 – 14 October 996), known by his regnal name as al-Aziz Billah (Arabic: العزيز بالله, romanized: al-ʿAzīz biʾllāh, lit. 'the Mighty One through God'), was the fifth caliph of the Fatimid dynasty, from 975 to his death in 996. His reign saw the capture of Damascus and the Fatimid expansion into the Levant, which brought al-Aziz into conflict with the Byzantine emperor Basil II over control of Aleppo. During the course of this expansion, al-Aziz took into his service large numbers of Turkic and Daylamite slave-soldiers, thereby breaking the near-monopoly on Fatimid military power held until then by the Kutama Berbers.