Era
19th century
45
1848-1860
43
To 1848
22
20th century
18
1860-1890
17
1866-1895
16
1770-1838
13
1809-1868
10
1774-1809
8
1813-1890
7
1834-1902
6
1839-1876
6
1846-1917
6
1890-1945
5
Civil War, 1861-1865
5
1820-1894
4
1837-1876
4
1945-
4
1743-1826
3
1779-1813
3
1815-1875
3
1816-1893
3
1851-1887
3
1856-1903
3
1866-
3
approximately 1775-1813
3
1778-1838
2
1784-1864
2
1794-1860
2
1798-1876
2
1804-1881
2
1810-1873
2
1810-1875
2
1819-approximately 1870
2
1830-1887
2
1840 or 1841-1887
2
1842-1923
2
1844-1922
2
1845-1936
2
1848-
2
1854-1931
2
1865-1918
2
21st century
2
approximately 1788-1844
2
approximately 1845-1930
2
-1792
1
-1913
1
1734-1820
1
1750-1815
1
1752-1818
1
more ...