Consolidation (Stalin) Period

Main

March 1919

1921

1921

1922

1922

1926

1928 - 1940

1928

1928 - 1932

October 1928 - December 1932

1929

December 1929

December 1929

1931

1932 - 1934

January 1933 - December 1937

1934

September 1934

December 1934

1935 - 1940

1936

1936

1936 - 1938

January 1938 - June 1941

March 1938

1939

1939

August 1939

November 1939

December 1939

1940

1940

1941 - 1943

May 1945