1940s - 1980s

Civil Rights

1946
1947
1953 - 1969
1954
1955
1960
1960
1960
1961
1962
1963
1963
1963
1963
1964
1964
1964 - 1965
1965 - 1968
1965 - 1968
1966
1966
1967
1969
1972

Cold War

1945 - 1949
1946 - 1949
1947 - 1954
1947
1948 - 1952
1949 - Present
1950 - 1954
1950 - 1953
1951 - 1953
1951
1952 - 1991
1957
1960
1961
1961 - 1990
October 1962
1964 - 1975
1964
1968
1968
1968 - 1975
1972 - 1979
1983
1985
1985 - 1991
1989 - 1990