Era
20th century
82
19th century
51
1811-1896
7
1856
5
1853
2
1857
2
18th century
2
1941-1950
2
1808-1889
1
1836
1
1839
1
1840
1
1841
1
1844
1
1851
1
1852
1
1855
1
1865-
1
1870-1965
1
1900-1999
1
1901-1910
1
1921-1930
1
1927
1
1934-
1
1941-1960
1
1944-
1
1947
1
1951-1960
1
1958-
1
1959-
1
1960-
1
19th-20th century
1
20e siècle
1
Civil War, 1861-1865
1
Since 1865
1
To 1865
1
To 1931
1
To 1964
1