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
Corsica for example, the Corsican Assembly is able to exercise limited executive powers. The island formed a single department until it was split in 1975 into two historical departments: Haute-Corse (Upper Corsica) and Corse-du-Sud (Southern Corsica), with its regional capital in Ajaccio, the prefecture city of Corse-du-Sud. Bastia, the prefecture city of Haute-Corse, is the second largest settlement in Corsica. The two departments, and the region of Corsica, merged again into a single territorial collectivity in 2018. After being ruled by the Republic of Genoa since 1284, Corsica was briefly an independent republic from 1755 until it was officially ceded by