20th Century

Independence/ Revolution

1917
1947
1948
1954
1994

Conflict

1904 - 1905
1914 - 1919
1939 - 1945
1950 - 1953
October 15, 1962 - October 28, 1962
1965 - 1975
September 11, 2001

Science

1957
1969

Genocide

1915 - 1923
1975 - 1979
1994

Communist Eras

1961 - 1989
1991

Other

1930 - 1939