The Gorno-Altai Autonomous Oblast was an autonomous oblast of the Soviet Union, inhabited by the Altai people. Formed as the Oyrot Autonomous Oblast on 1 June 1922, it was later renamed on 7 January 1948. It self-declared sovereignty as the Gorno-Altai Autonomous Soviet Socialist Republic on 25 October 1990, although not recognized at the time. It was promoted to a Soviet Socialist Republic on by an amendment to the Russian Constitution on 3 July 1991 and renamed to the Altai Republic on 31 March 1992, becoming a federal subject of the Russian Federation.