 The Italian government thus demanded it would only annex Venetia after a plebiscite, in order for it to appear as the will of the people rather than a French gift.The Peace of Prague was followed up by the Austrian-Italian Treaty of Vienna, which confirmed the cession of the territory to Italy.The plebiscite was held on 21 and 22 October 1866, and the result was overwhelmingly in support of joining Italy.