Carbonia, Sardinia Carbonia is twinned with: <br> Carbonia, Sardinia Carbonia ( is a town and "comune" in the Province of South Sardinia, Sardinia, Italy. Along with Iglesias it was a co-capital of the former province of Carbonia-Iglesias, now suppressed. It is located in the south-west of the island, at about an hour by car or train from the regional capital, Cagliari. Carbonia was founded on the 18 December 1938 by the Fascist regime. Benito Mussolini ordered the building of the city and was present at its inauguration. The city was built to provide housing for the workforce of the nearby mines. The
Kingdom of Sardinia James and his successors conquered the island of Sardinia and established "de facto" their "de jure" authority. In 1420, after the Sardinian-Catalan War, the last competing claim to the island was bought out. After the union of the crowns of Aragon and Castile, Sardinia became a part of the burgeoning Spanish Empire. In 1720 it was ceded by the Habsburg and Bourbon claimants to the Spanish throne to Duke Victor Amadeus II of Savoy. The Kingdom of Sardinia came to be progressively identified with the states ruled by the main branch of the House of Savoy, which included, besides Savoy