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 soon became part of the Kingdom of the Lombards. This made it a dependency of the March of Tuscany, which used it as an outpost against the Saracens. Pepin the Short, king of the Franks and Charlemagne's father, expelled the Lombards and nominally granted Corsica to Pope Stephen II. In the first quarter of the 11th century, Pisa and Genoa together freed the island from the threat of Arab invasion. After that, the island came under the influence of the republic of Pisa. To this period belong the many polychrome churches which adorn the island, and Corsica also experienced a