The Latvian Soviet Socialist Republic was a republic of the Union of Soviet Socialist Republics.
 The final Soviet name for the constituent republic, the Russian Soviet Federative Socialist Republic, was adopted in the later Soviet Constitution of 1936
On 30 December 1922, with the treaty on the creation of the Soviet Union, Russia, alongside the Transcaucasian SFSR, the Ukrainian SSR and the Byelorussian SSR formed the Union of Soviet Socialist Republics

