magnificent centre of diffusion of Islamic sciences. The Aghlabids also built palaces, fortifications and fine waterworks of which only the pools remain. From Kairouan envoys from Charlemagne and the Holy Roman Empire returned with glowing reports of the Aghlabites palaces, libraries and gardens � and from the crippling taxation imposed to pay for their drunkenness and sundry debaucheries. The Aghlabite also pacified the country and conquered Sicily in 827.
In 893, through the mission of Abdullah al Mahdi, the Kutama Berbers from the west of the country started the movement of the Shiite Fatimids. The year 909 saw the overthrow of theSunni Aghlabite that ruled Ifriqiya and the creation of the Shiite Fatimid dynasty. During the rule of the Fatimids, Kairouan was neglected and lost its importance: the new rulers resided first in Raqqada but soon moved their capital to the newly built Al Mahdiyah on the coast of modern Tunisia. After succeeding in extending their rule over all of central Maghreb, an area consisting of the modern countries of Morocco, Algeria, Tunisia and Libya, they eventually moved east to Egypt to found Cairo making it the capital of their vast Califate and leaving theZirids as their vassals in Ifriqiya. Governing again from Kairouan, the Zirids led the country through another artistic, commercial and agricultural heyday. Schools and universities flourished, overseas trade in local manufactures and farm produce ran high and the courts of the Zirids rulers were centres of refinement that eclipsed those of their European contemporaries.
When the Zirids declared their independence from Cairo and their conversion to Sunni Islam in 1045 by giving allegiance to Baghdad, the Fatimid Caliph Ma'ad al-Mustansir Billah sent as punishment hordes of troublesome Arab tribes (Banu Hilal and Banu Sulaym) to invade Ifriqiya. These invaders so utterly destroyed Kairouan in 1057 that it never regained its former importance and their influx was a major
