Emirate of Sicily conquer Castrogiovanni (the modern Enna, where Euphemius died) and retreated back to Mazara. In 830 they received a strong reinforcement of 30,000 Ifriqiyan and Andalusian troops. The Iberian Muslims defeated the Byzantine commander Teodotus in July–August of that year, but again a plague forced them to return to Mazara and then to Ifriqiya. The Ifriqiyan units sent to besiege Palermo managed to capture it after a year long siege in September 831. Palermo became the Muslim capital of Sicily, renamed al-Madinah ("The City"). The conquest was a see-saw affair; with considerable resistance and many internal struggles, it took over a
Nicasius of Sicily priest Vincent Venuti in his "Discorso storico-critico" (1762) writes: ...now because of the dominions that the Burgio family had near Caccamo. Or because of devotion, which the Cabrera family exercised toward St. Nicasius, or because of both reasons, I figure that, little by little, some what of a cult toward our St Nicasius of Jerusalem, went in Caccamo… His feast day is July 1. Nicasius of Sicily Nicasius (Nicasio, Nicaise) of Sicily (also known as "Nicasio Burgio, Nicasius de Burgo, Nicasio Camuto de Burgio, Nicasius Martyr, Nicasius of Jerusalem") ( 1135 – 1187) is venerated as a martyr in the