Sardinia

Also called  Piedmont-sardinia, or Sardinia-piedmont,   kingdom of the house of Savoy from 1720, which was centred on the lands of Piedmont (in northwestern Italy) and Sardinia. In 1718, by the Treaty of London among the great powers, Victor Amadeus II, duke of Savoy and sovereign of Piedmont, was forced to yield Sicily to the Austrian Habsburgs and in exchange received Sardinia (until then a Spanish possession). Two years later, on Aug. 24, 1720, he