 Complete the following phrase:  During the Middle Ages, the region of the Podesteria of Treviso called Zosagna di Sopra, was fortified and equipped with a castle that, conquered by Ezzelino III da Romano in the mid-thirteenth century, was immediately reoccupied by the Treviso and destroyed. After being among the possessions of various religious orders, such as the Certosini del Montello, the Dominicans, the Serviti and the Canons of the Trevigiano Chapter, it passed to the Venetian Republic, becoming one of the places chosen by the Venetian aristocracy for the construction of palatial living residences. The decline of the Serenissima followed the French and Austrian occupations and, in 1866, the 