Emirate of Sicilyball was a Fatimid Islamic vassal state. He died along with Fatimid in crusades and anchlussed by the Kingdom of Aragonball.
After defeating Byzantine Empireball (weak Christian Rome scum), the Muslim Arabs took control of the Island of Sicily and established the emirate. But, unfortunately, the great and stronk emirate was weakened because some of the population converted to Catholicism, heretic religion. After came instability and the emirate was into fragmentation and turned very weaklings. Unfortunately, stinky Christians saw as opportunity and Robert I conquered Sicily.