1974-Present

Presidents

1974 - 1977
1977 - 1981
1981 - 1989
1989 - 1993
1993 - 2001
2001 - 2009
2009 - 2017

Supreme Court Decisions and Amendments

1974
1976
1978
1989
1990
1992

World Events

1974
1975
1977
1979
1980
2000

Technology

1983
1990
1999
2000
2000
2002

Society and Culture

1970 - 1979
1980 - 1989
1989
1990 - 1999
1995
2003