Treaty of Den Haag (1720)

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The Treaty of Den Haag (also known as the Treaty of The Hague) was signed on February 17, 1720. The treaty ended a conflict that arose between King Philip V of Spain and a Quadruple Alliance of Great Britain, France, Austria and the Dutch Republic. Philip had just recently become king of Spain by the Treaty of Utrecht in 1713. In that same treaty, Spain lost its territories in Italy. Philip, intent on winning them back, invaded Sicily in 1718, which had been ceded to the Duchy of Savoy. A Quadruple Alliance had been organized and he was defeated in the ensuing war. In the Treaty of Den Haag, Philip agreed to abandoned his Italian claims, but won the assurance from Austria that the Duchy of Parma would be succeeded by his son, Charles, upon the extinction of the Farnese line. This came to pass in 1731, but Philip broke the treaty during the War of the Polish Succession when Spanish forces invaded Sicily.

In another provision of the Treaty of Den Haag, Duke Victor Amadeus II of Savoy agreed to exchange Sicily for the island of Sardinia after which he was known as the King of Sardinia.