History of Corsica dislodge Paoli were futile, in 1764 by secret treaty Genoa sold Corsica to the Duc de Choiseul, then minister of the French Navy, who bought it on behalf of the crown. On the quiet, French troops gradually replaced Genoese in the citadels. In 1768, after preparations had been made, an open treaty with Genoa ceded Corsica to France in perpetuity with no possibility of retraction and the Duc appointed a Corsican supporter, Buttafuoco, as administrator. The island rose in revolt. Paoli fought a guerrilla war against fresh French troops under their commander, Comte de Marbeuf, but was defeated in the
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