The
Armenian Soviet Socialist Republic (
Armenian SSR;
Haykakan Sovetakan Soc'ialistakan Hanrapetut'yun;
Armyanskaya Sovetskaya Sotsialisticeskaya Respublika) was one of the
constituent republics of the
Soviet Union in December 1922. 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.