During the Middle Ages, Rovigo was a small town in a territory often contested by the numerous local powers in Northeastern Italy, most notably Venice and Ferrara. A castle was built in Rovigo between the 12th and 14th-centuries by the Este family of Ferrara who controlled the town at the time. The castle was built along the Adigetto river that passed through Rovigo but was diverted in 1937. Being positioned in the middle of the swampy territory of Polesine, the castle had a natural protection and became a place of…