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
Medieval Corsica of Massa, to put a stop to the turmoil. A Count of Cinarca was reinstated and the war between Malaspina, Cinarca, Pisa, and Genoa dragged on with no side gaining the mastery until 1298, when Pope Boniface VIII formally bestowed the "regnum Corsicae", Kingdom of Corsica, on James II of Aragon along with the "regnum Sardiniae", Kingdom of Sardinia. In 1325, James finally set out to conquer his dual island kingdom. Sardinia was attacked and the Pisans were destroyed. Unable to sustain themselves at sea, their fortunes in Corsica fell off abruptly. No comparable campaign, however, was launched at Corsica