Era
20th century
217
19th century
191
1860
76
18th century
68
1900-1999
65
Colonial period, ca. 1600-1775
58
1856
51
1861-1865
49
1857-1861
47
Civil War, 1861-1865
44
20e siècle
34
1850
33
Revolution, 1775-1783
32
1773-1841
29
1861
29
1800-1899
28
1775-1865
27
1862
27
1857
24
1859
24
1863
22
1848
20
1853-1857
20
1767-1845
19
1791-1868
19
1836
19
1851
19
1854
19
1783-1850
17
1854-1861
17
1864
17
1845
16
1855
16
19e siècle
16
1809-1865
15
1852
15
1837
14
1839
14
1868
14
1865-1869
13
1743-1826
12
1784-1850
12
1847
12
1933-1945
12
Early modern, 1500-1700
12
John Brown's Raid, 1859
12
War of 1812
12
1706-1790
11
1817
11
1824
11
more ...