Italy By baconhawksrockmysox Oct 16, 1348 the black death pandemic Oct 18, 1848 the whole kingdom of Italy expanded Mar 17, 1861 unified Oct 18, 1915 Italy signed the Treaty of London Oct 16, 1935 mussolini invaded ethiopia Sep 1, 1943 Italy surrendered to the Allies May 2, 1945 the Italian resistance movement ended Jun 2, 1946 republic Jun 2, 1946 Italy became a Republic after a referendum Oct 18, 2007 signed the lisbon treaty