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
Kingdom of Sicily Succession. The kingdom was a reward to the Savoyards, who were thus elevated to royal rank. The new king, Victor Amadeus II, travelled to Sicily in 1713 and remained a year before returning to his mainland capital, Turin, where his son the Prince of Piedmont had been acting as regent. In Spain the results of the war had not been truly accepted, and the War of the Quadruple Alliance was the result. Sicily was occupied by Spain in 1718. When it became evident that Savoy had not the strength to defend as remote a country as Sicily, Austria stepped in