Era
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1957-2011
1
1958-1974
1
1961-
1
1962-
1
1963-1969
1
1964-
1
1965-
1
1969-
1
1970-
1
1971-
1
1974-1999
1
1976-
1
1981-
1
1983-
1
1985-1991
1
1993-2009
1
1994-
1
2000-
1
2016-
1
2021-
1
American Invasion, 1989
1
Civil War, 1975-1990
1
Since 1951
1
Since 1989
1
Since 1991
1
Since 1993
1
Since 2014
1