Visconti of Pisa and Sardinia Ubaldo. In 1207, Lamberto married Elena, the heiress of Barisone II of Gallura, thus securing control over the northeastern corner of Sardinia with his capital at Civita. In 1215, he and Ubaldo established their hegemony over the Giudicato of Cagliari in the south of the island as well. Through advantageous marriages, Lamberto's son, Ubaldo II, secured power in Logudoro for a time. By mid century, Pisan authority was unopposed in Sardinia, thanks to intermarriages between the Visconti family and the other great families of Pisa (Gherardeschi and Capraia) and Sardinia (Lacon and Bas-Serra). Visconti of Pisa and Sardinia The Visconti
Kingdom of Sardinia (1700–1720) Luciano Ortiz—now found themselves working in the Sicilian department. In the later Treaty of London, the Emperor and Victor Amadeus II of Sardinia agreed to exchange Sicily and Sardinia. On 8 August 1720, Philip V's viceroy handed Sardinia over to an Austrian representative, who in turn transferred it to the viceroy of Victor Amadeus. Kingdom of Sardinia (1700–1720) From 1700 to 1720, the Kingdom of Sardinia, as a part of the Spanish empire, was disputed between two dynasties, the Habsburgs and the Bourbons. With the death of Charles II, the last of the Spanish Habsburgs, on 1 November 1700, the