Era
1860
86
1856
73
1857-1861
73
1854-1861
71
1861-1865
59
1850
58
Civil War, 1861-1865
54
19th century
42
1862
36
1861
35
1854
33
To 1863
24
1836
23
1853-1857
23
1859
22
Civil War
22
1858
21
1863
21
1775-1865
19
1857
19
1851
18
1846-1850
17
1852
17
1845
16
1848
16
18th century
16
1847
15
1855
15
1837
14
1849-1861
14
1839
13
1792-1868
12
1845-1849
12
1849-1853
12
John Brown's Raid, 1859
11
1809-1865
10
Colonial period, ca. 1600-1775
10
Revolution, 1775-1783
10
1800-1859
9
To 1865
9
1838
8
1840
8
1846
8
1849
8
1864
8
1777-1852
7
1813-1861
7
1833
7
19e siècle
7
Civil war
7
more ...