Invasion of Corsica (1553) 1 February 1553, a new Franco-Ottoman treaty of alliance, involving naval collaboration against the Habsburgs, had been signed between France and the Ottoman Empire. The Ottoman admirals Turgut and Koja Sinan, together with a French squadron under Baron Paulin de la Garde, raided the coasts of Naples, Sicily, Elba and then Corsica. The island of Corsica was occupied by the Genoese at the time. The Ottoman fleet supported the French by ferrying the French troops of Parma under Marshal Paul de Thermes from Siennese Maremma to Corsica. The French were also supported by Corsican exiles under Sampiero Corso and Giordano
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,