Arabia, History Of, The Qarmatians

A more serious loss to 'Abbasid power in Arabia was occasioned by the appearance of Isma'ilite propaganda in Yemen about 880, in eastern Arabia about 899, and even briefly in Oman. From Yemen, Isma'ilis reached North Africa, where the Fatimid movement arose and conquered Egypt and for a time seriously threatened the 'Abbasids in Baghdad. The Qarmatians (Qaramitah), an extremist offshoot of