Era
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1917-
1
1920-2013
1
1921-
1
1922-
1
1922-1987
1
1924-
1
1925-2008
1
1931-2022
1
1934-
1
1936-1996
1
1936-2015
1
1936-2018
1
1943-
1
1945-
1
1947-
1
1950-
1
1950-2018
1
1953-1989
1
1969-1989
1
1971-
1
1975-
1
1977-1989
1
1977-2017
1
1980-2020
1
1981-1991
1
2001-2009
1
2009-2017
1
American Invasion, 1989
1
Since 1951
1
Since 1969
1
Since 1970
1
Since 1979
1