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
Sardinia though it is most prevalent in winter and spring. It can blow quite strongly, but it is usually dry and cool. Sardinia is one of the most geologically ancient bodies of land in Europe. The island was populated in various waves of immigration from prehistory until recent times. The first people to settle in Sardinia during the Upper Paleolithic and the Mesolithic came from Continental Europe; the Paleolithic colonization of the island is demonstrated by the evidences in Oliena's "Corbeddu Cave"; in the Mesolithic some populations, particularly from present-day Tyrrhenian coast of Italy, managed to move to northern Sardinia via