Era
prev ...
1872
1
1874-1964
1
1876-1880
1
1880
1
1884
1
1885-1912
1
1901-1909
1
1908
1
1909-1913
1
1913-1994
1
1917-1963
1
1923-1929
1
1928
1
1928-
1
1932-1945
1
1946-
1
1953-1961
1
1960
1
1963-1969
1
1964
1
1969-2015
1
1974-
1
1974-1977
1
2008
1
20th century
1
Civil War, 1861-1865
1
To 1898
1
b. 1821
1