History of Corsica of 1755 and under partial control until its purchase by France in 1768. However, the dissension and political conflict at home did not always permit Doges of Genoa to govern Corsica well or at all. During such periods the island was subject to destructive conflict between coalitions of signorial families. The Bank of Saint George became involved as a major creditor of the Republic of Genoa. As security for their public loans they had obtained a franchise to collect public money; i.e., taxes. In 1453 the people of Corsica held a general assembly, or Diet, at Lago Benedetto at which
Corsica was divided in "pagi", which in the Middle Ages became the "pievi", the basic administrative units of the island until 1768. During the diffusion of Christianity, which arrived quite early from Rome and the Tuscan harbors, Corsica was home to many martyrs and saints: among them, the most important are Saint Devota and Saint Julia, both patrons of the island. Corsica was integrated into Roman Italy by Emperor Diocletian (r. 284-305). In the 5th century, the western half of the Roman Empire collapsed, and the island was invaded by the Vandals and the Ostrogoths. Briefly recovered by the Byzantines, it