537 Abu Hafs an-Nasafi d.

538 Az-Zamakhshari d.

540 Yehuda Halevi d. = A.D. 1145.

546 Abu Bakr b. al-‘Arabi d.

548 Ash-Shahrastani d.

558 ‘Abd al-Mu’min the Muwahhid d.

558 ‘Adi al-Hakkari d.

558-580 Abu Ya‘qub the Muwahhid.

561 ‘Abd al-Qadir al-Jilani, founder of order of darwishes, d.

567 Conquest of Egypt by Saladin and end of Fatimids.