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
Ancient Corsica also interested in Corsica even at this early stage. A first attempt to found a Roman colony on the island in 425 BC was a failure. In 296 BC, the island was used by the Romans as a place of exile for Galerius Torquatus. The Roman conquest of Corsica began in 259 BC, when Lucius Cornelius Scipio captured Aleria (Greek 'Alalia') and several Corsican tribes, in the course of the First Punic War. The Roman invasion of the island marked the expansion of the war beyond Sicily to the entire western Mediterranean. In the subsequent peace treaty in 241 BC