Claim: The Latvian Soviet Socialist Republic was a republic of the Union of Soviet Socialist Republics.
Evidence: The Latvian Soviet Socialist Republic -LRB- Latvian SSR ; Latvijas Padomju Sociālistiskā Republika Латвийская Советская Социалистическая Республика , Latviyskaya Sovetskaya Sotsialisticheskaya Respublika -RRB- , also known as Soviet Latvia or Latvia , was a republic of the Soviet Union.
The Soviet Union -LRB- -LSB- Сове́тский Сою́з , r = Sovetskiy Soyuz -RSB- -LSB- sɐ ` vʲetskʲɪj sɐˈjʉs -RSB- -RRB- , officially the Union of Soviet Socialist Republics -LRB- USSR ; Сою́з Сове́тских Социалисти́ческих Респу́блик , -LSB- sɐˈjus sɐˈvʲɛtskʲɪx sətsɨəlʲɪsˈtʲitɕɪskʲɪx rʲɪˈspublʲɪk -RSB- -RRB- , also known unofficially as Russia -LRB- -LSB- Росси́я , Rossiya , rɐˈsʲijə -RSB- -RRB- , was a socialist state in Eurasia that existed from 1922 to 1991.