Record Data Place Unit Type City or Town Containing Unit Italy Events Date Type 06/20/1866 Italy, allied to Prussia, declares war on the Austrian Empire. Battles/Soldiers 11/07/1866 King Victor Emanuel enters the city of Venice, newly united with the rest of Italy. US/the World 11/25/1856 The Emperor of Austria visits Venice Foreign 10/19/1866 The flag of Italy is raised over the formerly Austrian-controlled city of Venice. US/the World 03/02/1852 The last of Napoleon's Marshals dies in Venice Foreign 11/04/1866 The results of the plebiscite confirming Austria's ceding of Venice to Italy are announced. US/the World People Documents Images Northern Italy, 1857, zoomable map