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 Anglo-American landings in North Africa was occupied by Italian and German forces. After the Italian armistice in September 1943, Italian and Free French Forces pushed the Germans out of the island, making Corsica the first French Department to be freed. Subsequently, the US military established 17 airfields, nicknamed "USS Corsica", which served as bases for attacks on targets in German-occupied Italy. During the May 1958 crisis, French paratroopers landed on Corsica on 24 May, garrisoning the island in a bloodless action called Opération Corse. Between the late fifties and the seventies, the project of building a nuclear polygon in the