Corsica and the Pope: finally, in 1450 Genoa ceded the administration of the island to its main bank, the Bank of Saint George, which brought peace. In the 16th century, the island entered into the fight between Spain and France for the supremacy in Italy. In 1553, a Franco-Ottoman fleet occupied Corsica, but the reaction of Spain and Genoa, led by Andrea Doria, reestablished the Genoese supremacy on the island, confirmed by the Peace of Cateau-Cambresis. The unlucky protagonist of this episode was Sampiero di Bastelica, who would later come to be considered a hero of the island. Their power reinstated,
Italian occupation of Corsica Rome, was a strong supporter of the union of Corsica with Italy and defended irredentist ideals. Indeed, Cristofini actively collaborated with the Italian forces in Corsica during the first months of 1943 and (as head of the Ajaccio troops) helped the Italian Army to repress the Resistance in Corsica before the Italian Armistice in September 1943. He closely worked with the famous Corsican writer Petru Giovacchini, who was named as the potential "Governor of Corsica" had the Kingdom of Italy annexed the island. In the first months of 1943 these irredentists, under the leadership of Petru Giovacchini and Bertino Poli,