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 conflicts with Otto I of Germany, King Berengar II of Italy managed to make himself master of Corsica. In 962, Berengar was defeated and his son, Adalbert, fled to Corsica, whence he launched two separate attacks on Ottonian Italy, before going into exile in Burgundy. Following Otto II's reestablishment of imperial authority over Corsica, a period of political turmoil began, although the island remained subject to the margraves of Tuscany, who periodically made their power felt there. The island at this time appears to be generally divided, as it is down to the present time, into a north and a