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
King of Egypt and the Sudan other monarch to officially use the title "King of Egypt and the Sudan" besides Farouk I was his infant son Fuad II. The title was used very briefly, as the Egyptian monarchy was abolished on 18 June 1953. Despite its short-lived existence, the title was used as an overprint on numerous Egyptian postage stamps. Many of the currently surviving stamps featuring Farouk I's portrait thus bear the Arabic inscription "King of Egypt and the Sudan". King of Egypt and the Sudan King of Egypt and the Sudan ( "") was the title used by the Egyptian monarch from 16 October