King Umberto II of Italy was the last reigning monarch of the Kingdom of Italy. He ascended to the throne in May 1946, following the death of his father, King Victor Emmanuel III. Umberto II reigned for only 34 days before Italy became a republic on June 2,
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Umberto II was the last king of Italy. Umberto's reign lasted for 34 days, from 9 May 1946 until his formal deposition on 12 June 1946, although he had been the de facto head of state since 1944. Due to his short reign, he was nicknamed the May King.