The conquests of the Normans established Roman Catholicism firmly in the region, where Eastern Christianity had been prominent during the time of Byzantine rule and even remained significant during Islamic period. In 1245, Muslim Sicilians were deported to the settlement of Lucera, by order of Frederick II, king of Sicily.
The establishment of Roman Catholicism in the region was facilitated by Norman conquests, where Eastern Christianity had been dominant under Byzantine rule and even remained significant during the Islamic period. In 1245, Muslim Sicilians were relocated to Lucera by Frederick II, king of Sicily.