Era
1857-1861
28
1861
18
1861-1865
17
1849-1853
11
1856
11
1854-1861
8
1860
8
1852
7
1853-1857
6
1862
6
1850
5
1849
4
1858
4
1864
4
1844
3
1846-1850
3
1848
3
1848-1950
3
19th century
3
Civil War, 1861-1865
3
1815-1861
2
1845-1849
2
1857
2
1863
2
1865
2
1767-1848,
1
1786-1866,
1
1809-1858,
1
1811-1874,
1
1819-1857,
1
1835
1
1837
1
1841-1845
1
1849 - 1853
1
1854
1
1859
1
Civil war
1
Civil war, 1861-1865
1