10.2 The Soviet Union, 1922-1939
The events listed in the right column are out of order. Please place the events in correct order by dragging and dropping each event so it matches the correct year on the timeline.
December 1922 - January 1923
January 1924
December 1927
Late 1928
January 1929
November - December 1929
December 1932
1932 - 1933
December 1934
August 1935
1936 - 1939