Consolidation (Stalin) Period

Main

March 1919
1921
1921
1922
1922
1926
1928 - 1940
1928 - 1932
1928
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