History of Sardinia a number of African Bishops in the island such as Fulgentius of Ruspe. In 533, Sardinia rebelled under the Vandal governor Godas, a Goth, who proclaimed himself "rex" of Sardinia asking aid to the Byzantines. In the summer of 533 Vandal forces (5000 men and 120 ships), led by Tzazo, arrived in Sardinia to stifle the Godas' rebellion and conquered Caralis, killing Godas and his followers . In the early 534 the Vandals of Sardinia surrendered immediately to the Byzantines when faced with news of the Vandal collapse in Africa; thenceforth the island was part of the Byzantine Empire, included
Kingdom of Sardinia of the Duchy of Milan, while Charles VI (the Holy Roman Emperor and Archduke of Austria), received the Spanish Netherlands, the Kingdom of Naples, Sardinia, and the bulk of the Duchy of Milan. During the War of the Quadruple Alliance, Victor Amadeus II, Duke of Savoy and Prince of Piedmont, had to agree to yield Sicily to the Austrian Habsburgs and receive Sardinia in exchange. The exchange was formally ratified in the Treaty of The Hague of 17 February 1720. Because the kingdom of Sardinia had existed since the 14th century, the exchange allowed Victor Amadeus to retain the title