 The signing of the Treaty of Campo Formio, on 17 October 1797, marked the dissolution of the Republic of Venice and the sharing of its territories between France and Austria.The lands of the "" up to the River Adige, the city itself and the possessions of the Balkan peninsula of Istria and Dalmatia were yielded to Austria.The Ionian Islands, part of Venetian maritime territories, were ceded to France.