Medieval Corsica Count of Corsica at Biguglia, even seizing Bastia. Lomellino was unable to make headway against him and, by 1410, all Corsica, with the exception of Bonifacio and Calvi, was lost to Genoa, now once more independent of France. A feud between Vincentello and the Bishop of Mariana, however, led to the loss of his authority in the Terra di Comune and he was compelled to go to Spain in search of assistance. In his absence the Genoese reconquered the island. At this stage, the Western Schism was underway in Roman Catholic Europe. Corsica itself became divided as the suffragan sees
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