What year was Russia's Red October Revolution?
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1917
1905
1905
1905
1905
1905
1905
1905
1905
1905
1905
1905
1918
1905
1918
1905
1922
1918
1918
1905
1922
1921
1918
1905
1922
1918
1921
1905
1922
1918
1921
1918
1905
1922
1921
1918
1905
1922
1918
1921
1905
1922
1918
1921
1918
1905
1922
1921
1918
1922
1918
1921
1922
1918
1917.
1921
1918
1922
October 1917
1917.
1921
1918
1923
1922
October 1917
1917.
1918
1924
1921
1923
1922
October 1917
1918
1917.
1924
1921
1923
1918
1922
October 1917
1917.
1924
1919
1921
1923
1922
October 1917
1917
1917.
1919
1924
1921
1923
1922
1919
October 1917
1917.
1924
1921
1903
1923
1919
1922
October 1917
1917.
1924
1919
1921
1903
1881
1923
1922
October 1917
1917.
1919
1927
1924
1921
1903
1881
1923
1905.
1922
1919
1917.
1924
October 1917
1921
1903
Russian Revolution
1881
1923
1919
October 1918
1922
1917.
1927
1924
1919
October 1917
1921
1903
Russian Revolution
1881
1923
1905.
1917.
1919
1920
1917 .
1924
October 1917
1921
1903
Russian Revolution
1923
1927
October 1918
1919
1917.
1920
1904
1924
October 1917
1905.
1903
1881
1923
1919
November 1917
1920
1917.
1924
1919
October 1917
1920
1923
1927
October 1918
1904
October 1917.