as al-Ma'mun al-Bata'ihi (Arabic: المأمون البطائحي), was a senior official of the Fatimid Caliphate in the early 12th century, during the reign of al-Amir...

al-Amir and al-Afdal's chief secretary, al-Ma'mun al-Bata'ihi, instead. Al-Amir and al-Bata'ihi moved quickly to forestall a succession by one of al-Afdal's...

Musa ibn al-Ma'mun al-Bata'ihi (died 1192) was the son of the Fatimid vizier al-Ma'mun al-Bata'ihi (executed 1128) who wrote a biography of his father...

Ma'mun I ibn Muhammad (died 997), Khwarazmshah Ma'mun II (died 1017), Khwarazmshah al-Ma'mun al-Bata'ihi (died 1128), vizier to the Fatimid caliph al-Amir...

chronicler Ibn al-Qalanisi states that the murder was the work of the Caliph al-Amir, and of al-Afdal's chief of staff, al-Ma'mun al-Bata'ihi, who would succeed...

romanized: al-jāmiʿ al-aqmar, lit. 'the moonlit mosque'), was built in Cairo, Egypt, as a neighborhood mosque by the Fatimid vizier al-Ma'mun al-Bata'ihi in 1125-6...

governed by the regent Eustace Grenier. In 1123, the new vizier, al-Ma'mun al-Bata'ihi, organized a major invasion of Crusader lands. The Fatimids planned...

vizier al-Ma'mun al-Bata'ihi during the caliphate of Imam Al-Amir bi-Ahkam Allah. The mosque is located on al-Muizz Street, north of Bayn al-Qasrayn...

power; instead, Caliph al-Amir, with the assistance of al-Afdal's chief of staff, and now successor as vizier, al-Ma'mun al-Bata'ihi, took control of the...

decision was quickly reversed. Between 1121 and 1125, al-Ma'mun al-Bata'ihi, vizier under Caliph al-Amir, undertook many reforms and construction projects...

known as al-Maʾmūn al-Baṭā'iḥī. He managed to carry out various administrative reforms and infrastructural projects in the later years of al-Afdal's term...

973), surnamed al-Ustadh (Arabic: الأستاذ, lit. 'the Master'), was a eunuch slave who served the Fatimid caliphs al-Qa'im, al-Mansur, and al-Mu'izz as chamberlain...

al-Nuʿmān ibn Muḥammad ibn Manṣūr ibn Aḥmad ibn Ḥayyūn al-Tamīmiyy (Arabic: النعمان بن محمد بن منصور بن أحمد بن حيون التميمي, generally known as al-Qāḍī...

Byzantine army. February 13 – Al-Ma'mun al-Bata'ihi is formally proclaimed vizier of the Fatimid Caliphate by Caliph al-Amir. September 13 – Count Joscelin...

Khentii Mountains. October 3 – Al-Ma'mun al-Bata'ihi, the vizier of the Fatimid Caliphate, is dismissed and imprisoned by Caliph al-Amir. Albert of Aix, German...

vizier al-Ma'mun al-Bata'ihi (in office from 1122 to 1125) added three more pavilions to the palace. He was also responsible for building the al-Aqmar...

city. This Nilometer ceremony was introduced during the tenure of al-Ma'mun al-Bata'ihi as Fatimid vizier in the 1120s. Fifteen cubits (1 Arab cubit, subdivided...

cities like Aden, Sanaa, or Zabid. In 1123, the new Fatimid vizier al-Ma'mun al-Bata'ihi sent 400 Armenian archers and 700 knights to reinforce him. However...

Abu Ya'qub Ishaq ibn Ahmad al-Sijistani (Arabic: أبو يعقوب إسحاق بن أحمد السجستاني) or al-Sijzi (السجزي) was a 10th-century Persian Ismaili missionary...

Abu Abdallah al-Husayn ibn Ahmad ibn Muhammad ibn Zakariyya, better known as Abu Abdallah al-Shi'i (Arabic: ابو عبد الله الشيعي, romanized: Abū ʿAbd Allāh...

after al-Afdal's assassination, his successor, al-Ma'mun al-Bata'ihi, sent 400 Armenian and 700 Black African archers to Yemen to bolster Ibn Najib al-Dawla's...

Abu Turab Haydara al-Mu'taman was a brother of the Fatimid vizier al-Ma'mun al-Bata'ihi (1121–1125). Along with another brother, Ja'far, Haydara served...

assassination was that of Nizam al-Mulk, the vizier and de facto ruler of the Seljuk Empire. [The assassination of Nizam al-Mulk] was the first of a long...

Abū Ḥātim Aḥmad ibn Ḥamdān al-Rāzī (Persian: ابو حاتم احمد بن حمدان الرازی) was a Persian Ismaili philosopher of the 9th century, who died in 322 AH (935...

Al-Mu'ayyad fid-din Abu Nasr Hibat Allah b. Abi 'Imran Musa b. Da'ud ash-Shirazi (c. 1000 CE/390 AH – 1078 CE/470 AH) was an 11th-century Isma'ili scholar...

000 men) near Ibelin. Despite the numerical superiority, Vizier Al-Ma'mun al-Bata'ihi is forced to withdraw to Egypt while his camp is plundered by the...

antipope of Rome 1031 – Robert II, king of France (b. 972) 1128 – Al-Ma'mun al-Bata'ihi, Fatimid vizier (b. c. 1086) 1156 – Toba, emperor of Japan (b. 1103)...

Aḥmad ibn Ibrāhı̄m al-Nı̄sābūrı̄ or al-Naysābūrı̄ (Arabic: أحمد بن إبراهيم النيسابوري; fl. late 10th century/early 11th century) was an Isma'ili scholar...

bayt al-mal) by the vizier al-Ma'mun al-Bata'ihi. He rose further to head chamberlain (ṣāḥib al-bāb or ṣāḥib al-majlis), a rank almost equal to the vizierate...

Caliphate. According to the 11th-century Sunni heresiologist Abu Mansur al-Baghdadi, al-Ma'mun, a dā'ī active in southern Persia, was a brother of Hamdan. Hamdan's...