sentences:  As a result, the events of 1094–1095 caused a bitter and permanent schism in the Isma'ili movement, that continues to this day.While al-Musta'li was recognized by the Fatimid establishment and the official Isma'ili "daʿwa", as well as the Isma'ili communities dependent on it in Syria and Yemen, most of the Isma'ili communities in the wider Middle East, and especially Persia and Iraq, rejected it.Whether out of genuine conviction, or as a convenient excuse to rid himself of Cairo's tutelage, Hassan-i Sabbah, the chief Isma'ili leader in Persia, swiftly recognized Nizar's rights to the imamate, severed relations with Cairo, and set up his own independent "daʿwa" (the "daʿwa jadīda", "new calling").