Crimean ASSR (October 18, 1921 – June 30, 1945; now the Republic of Crimea, territory disputed between Ukraine and the Russian Federation) Kazak ASSR (1925–1936, now the independent state of Kazakhstan) Kirghiz ASSR (1920–1925, became Kazak ASSR, now the independent state of Kazakhstan) Kirghiz ASSR (1926–1936, became Kirghiz SSR, now the independent state of Kyrgyzstan) Mountain ASSR (1922–1924, broken up into several smaller Northern Caucasus Republics) Turkestan ASSR (1918–1924, now part of the independent states of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan) Volga German ASSR (1918–1941)