 The territory was administered by the Republic of Venice until its fall of May 12, 1797.After the signing of the Treaty of Campo Formio and the assignment of the territory to Austria, the area was part of the Habsburg Empire.The territory remained (more or less) under Austrian sovereignty until the outcome of the Third War of Italian Independence, when the Armistice of Cormons transferred the Veneto to the Kingdom of Italy which was ratified with the signing of the Treaty of Vienna (1866) on October 3, 1866.