The Soviet republics of Russia, Armenia, Azerbaijan, and Georgia signed the Treaty of Kars with the Grand National Assembly of Turkey, establishing the current borders between Turkey and the Caucasian states.
Russian Soviet Federative Socialist Republic
The Russian Soviet Federative Socialist Republic, previously known as the Russian Socialist Federative Soviet Republic and the Russian Soviet Republic, and unofficially as Soviet Russia, was a socialist state from 1917 to 1922, and afterwards the largest and most populous constituent republic of the Soviet Union (USSR) from 1922 to 1991, until becoming a sovereign part of the Soviet Union with priority of Russian laws over Union-level legislation in 1990 and 1991, the last two years of the existence of the USSR. The Russian SFSR was composed of sixteen smaller constituent units of autonomous republics, five autonomous oblasts, ten autonomous okrugs, six krais and forty oblasts. Russians formed the largest ethnic group. The capital of the Russian SFSR and the USSR as a whole was Moscow and the other major urban centers included Leningrad, Stalingrad, Novosibirsk, Sverdlovsk, Gorky and Kuybyshev.
Armenian Soviet Socialist Republic
The Armenian Soviet Socialist Republic (ArSSR), also known as Soviet Armenia, or simply Armenia, was one of the constituent republics of the Soviet Union, located in the Caucasus region of Eurasia. Soviet Armenia bordered the Soviet republics of Azerbaijan and Georgia and the independent states of Iran and Turkey. The capital of the republic was Yerevan, and it contained 37 districts (raions). Other major cities in the Armenian SSR included Leninakan, Kirovakan, Hrazdan, Etchmiadzin, and Kapan. The republic was governed by Communist Party of Armenia, a branch of the Communist Party of the Soviet Union.
Azerbaijan Soviet Socialist Republic
The Azerbaijan Soviet Socialist Republic, also referred to as the Azerbaijani Soviet Socialist Republic, Azerbaijan SSR, Azerbaijani SSR, AzSSR, Soviet Azerbaijan or simply Azerbaijan, was one of the constituent republics of the Soviet Union between 1922 and 1991. Created on 28 April 1920 when the Russian Soviet Federative Socialist Republic brought pro-Soviet figures to power in the region, the first two years of the Azerbaijani SSR were as an independent country until incorporation into the Transcaucasian SFSR, along with the Armenian SSR and the Georgian SSR.