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
Sardinia the pre-Roman noun *"s(a)rd-", later romanised as ' (feminine '). It makes its first appearance on the Nora Stone, where the word "Šrdn" testifies to the name's existence when the Phoenician merchants first arrived. According to "Timaeus", one of Plato's dialogues, Sardinia (referred to by most ancient Greek authors as "Sardò", Σαρδὼ) and its people as well might have been named after a legendary woman going by Sardò (), born in Sardis ("Σάρδεις"), capital of the ancient Kingdom of Lydia. There has also been speculation that identifies the ancient Nuragic Sards with the Sherden, one of the Sea Peoples. It