Reign of Al-Mansur
Kairouan, TunisiaAt the time of Al-Mansur's accession, the Fatimid Caliphate was undergoing one of its most critical moments: a large-scale rebellion under the Kharijite Berber preacher Abu Yazid had overrun Ifriqiya and was threatening the capital al-Mahdiya itself. He succeeded in suppressing the revolt and restoring the stability of the Fatimid regime.