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 birth of several telecommunication companies and internet service providers based on the island, such as Video On Line (1993), Tiscali (1998) and Andala UMTS (1999). History of Sardinia Archaeological evidence of prehistoric human settlement on the island of Sardinia is present in the form of nuraghes and others prehistoric monuments, which dot the land. The recorded history of Sardinia begins with its contacts with the various people who sought to dominate western Mediterranean trade in Classical Antiquity: Phoenicians, Punics and Romans. Initially under the political and economic alliance with the Phoenician cities, it was partly conquered by Carthage in the