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
History of Sardinia along the coast (today called "Spanish towers") to protect the island against Ottoman incursions. In 1637 a French fleet led by Henri, Count of Harcourt sacked Oristano for about a week. Sardinia was disputed between 1700 and 1720. After the War of the Spanish Succession it was assigned to Emperor Charles VI in 1714, Philip V of Spain briefly recovered the island in 1717, but in 1720 the European powers assigned Sicily to Charles VI and Sardinia to the House of Savoy, so Vittorio Amedeo II became the King of Sardinia. In 1793 Sardinians defeated twice the French invaders. On