History of the Italian Republic through a referendum. In April 1945, the Allies of World War II advanced in the Po plain supported by the Italian resistance movement, and defeated the fascist Italian Social Republic, a puppet state instituted by Nazi Germany and headed by Benito Mussolini. Mussolini was killed by resistance fighters in April 1945. Victor Emmanuel formally abdicated on 9 May 1946; his son became king as Umberto II of Italy. A Constitutional Referendum was held on 2 June 1946. Republicans won, and the monarchy was abolished. The Kingdom of Italy was no more. The House of Savoy, the Italian royal family, was
Elena of Montenegro avoid the great tragedy World War II would become. On 25 July 1943 Victor Emmanuel III had Benito Mussolini arrested. The king left Rome on 9 September to flee to Brindisi with the help of the Allies and Elena followed her husband in his escape. In contrast, on 23 September their daughter Mafalda was arrested by the Nazis and sent to Buchenwald concentration camp, where she died in 1944. Following the war, on 9 May 1946, Victor Emmanuel III abdicated in favour of their son Umberto, and the former king assumed the title of Count of Pollenzo. On 2 June