Revolution and Decolonization (1900-present)

Asia

1917
1944 - 1947
1947
January 1978 - February 1979

Africa

1919
1948
1948 - 1994
1956
1957
1960
1962
1963
1964
1978 - 1979

Europe

1923

Americas

1910 - 1917
July 26, 1953 - January 1, 1959