Era
1989-
2
20th century
2
1832-1911
1
1861-1865
1
1861-1865 (Guerre de Sécession)
1
1886-1974
1
1900-1999
1
1907-1999
1
1938-
1
1939-
1
1946-
1
1951-
1
1959-
1
1960-
1
1964-
1
1969-1974
1
1969-1977
1
1974-1977
1
2000-2099
1
2001-2009
1
2001-2021
1
2009-2017
1
2016
1
2017-
1
2017-2021
1
20e siècle
1
21e siècle
1
21st century
1
Civil War, 1861-1865
1
Geschichte 1964-2009
1
Since 1951
1
Since 1959
1