Kingdom of Sardinia and Aosta, dynastic possessions since the 11th century, the Principality of Piedmont (a possession built up in the 13th century), and the County of Nice (a possession since 1388). While in theory the traditional capital of the island of Sardinia and seat of its viceroys was Cagliari, the Piedmontese city of Turin was the "de facto" capital of Savoy. When the mainland domains of the House of Savoy were occupied and eventually annexed by Napoleonic France, the king of Sardinia made his permanent residence on the island for the first time in its history. The Congress of Vienna (1814–15), which
History of Sardinia to the north (Sassari) was enhanced (the road still exists today and it still bears the name of Carlo Felice). Also, the first ferry route between the island and Genoa was established, using steamboats such as the Gulnara. The first railway was inaugurated in 1871. By the end of the nineteenth century the Royal Railways had received 30 locomotives, 106 passenger cars, and 436 cargo cars. The economy was focused mainly on the primary sector (agriculture and sheep husbandry) and on mining. The majority of mining societies operating in Sardinia depended on non-Sardinian capital money. However, in 1848 the Sardinian