Era
1865-1950
28
20th century
21
1951-
20
19th century
13
To 1865
11
1919-1998
7
Civil War, 1861-1865
6
Since 1900
5
1800-1899
3
1861-1865
3
Since 1951
3
1800-1950
2
1800-1999
2
1812-1877
2
1814-1863
2
1816-1882
2
1833-1887
2
1900-1999
2
1940-
2
1945-1989
2
History
2
1775-1865
1
1792-1874
1
1800 - 1899
1
1804-1835
1
1807-1875
1
1808-1892
1
1809-1865
1
1819-1950
1
1834-1879
1
1842-1920
1
1844-1914
1
1845-1861
1
1849-1861
1
1865-1898
1
1865-1999
1
1869-1940
1
1869-1958
1
1872-1946
1
1874-1940
1
1877-1964
1
1887-1957
1
1902-1968
1
1913-
1
1918-
1
1918-2007
1
1921 September 27-2021
1
1929-1968
1
1942-
1
1963-1969
1
more ...