The Basilica di San Gavino (Basilica of Saint Gabinus) is a proto-Romanesque church in Porto Torres, Sardinia, Italy. A former cathedral, it is now a place for the veneration of local martyrs and a parish church. History Turris Libisonis (Latin: Turris Libyssonis, present day: Porto Torres) was a bishopric seat from 489 until 1441, when the see was moved to nearby Sassari. The basilica is located in the Monte Angellu section of Porto Torres; an area where archaeological excavations have found a…