History of Corsica various Italian republics that arose began to assume responsibility for the security and prosperity of Corsica, starting with Tuscany, the closest. Corsica was finally removed from the fighting by annexation to the Papal States in 1217. Pisa retained control of the island during most of the Middle Ages but at the start of the Renaissance it fell to Genoa in 1284, following the battle of Meloria against Pisa. Corsica successively was part of the Republic of Genoa for five centuries. Despite take-overs by Aragon between 1296–1434 and France between 1553–1559, Corsica would remain under Genoese control until the Corsican Republic
Roman Catholic Diocese of Mariana in Corsica Roman Catholic Diocese of Mariana in Corsica The Diocese of Mariana in Corsica () was a Roman Catholic ecclesiastical territory in Mariana, Corsica, in the north-eastern corner of the island. In 1563 the diocese was united with the Diocese of Acci(a) to form the Diocese of Accia and Mariana. Both dioceses were poor and had lost population. Mariana had been abandoned and its bishop lived in Bastia to the north, the seat of the civil government of the island. The Cathedral sat alone near the banks of the River Golo some three miles from the sea, in the midst of