Ivan VI Antonovich of Russia (Ivan Antonovich; Russian: Иоанн VI; Иоанн Антонович), (23 August [O.S. 12 August] 1740 – 16 July [O.S. 5 July] 1764), was proclaimed Emperor of Russia in 1740, when he was one year old, although he did never actually reign. Within less than a year, he was overthrown by Empress Elisabeth of Russia, the Peter the Great's daughter. Ivan spent the rest of his life as prisoner and was killed by his guards in an escape attempt.