 From 1351 the fief was held by the Habsburg duke Albert II of Austria, before Venzone, together with most parts of Friuli, was conquered by the Republic of Venice and incorporated into the Domini di Terraferma after 1420.In the following centuries of Venetian rule, Venzone lost its importance as a commercial centre.Upon the conquest by Napoleonic troops and the 1797 Treaty of Campo Formio, it passed under Austrian domination within the Kingdom of Lombardy–Venetia.