when did armenia became part of the soviet union
Armenia (/ ɑːr ˈmiːniə / (listen), /-ˈmiːnjə /; Armenian: Հայաստան, tr. Hayastan, IPA: (hɑjɑsˈtɑn); Russian: Армения; Armeniya), officially the Armenian Soviet Socialist Republic; (Armenian SSR; Armenian: Հայկական Սովետական Սոցիալիստական Հանրապետություն Haykakan Sovetakan Soc'ialistakan Hanrapetut'yun; Russian: Армя́нская Сове́тская Социалисти́ческая Респу́блика Armyanskaya Sovetskaya Sotsialističeskaya Respublika), also commonly referred to as Soviet Armenia was one of the constituent republics of the Soviet Union in December 1922 located in the South Caucasus region of Eurasia. It was established in December 1920, when the Soviets took over control of the short-lived First Republic of Armenia and lasted until 1991. It is sometimes called the Second Republic of Armenia, following the First Republic of Armenia's demise.