Era
1854-1861
49
1856
32
1850
31
1857-1861
27
1860
18
1854
17
Civil War, 1861-1865
17
19th century
14
1862
13
1861-1865
12
1853-1857
11
1848
10
1858
10
1861
10
1846-1850
9
1849-1853
9
Civil War
9
1836
8
1775-1783
6
1782-1852
5
1849
5
1852
5
1912
5
1777-1852
4
1813-1861
4
1829-1837
4
1845-1849
4
1847
4
1864
4
1809-1865
3
1914
3
1915
3
To 1775
3
1706-1790
2
1729-1797
2
1775-1865
2
1797-1801
2
1814-1866
2
1820-1870
2
1834-1928
2
1840
2
1846
2
1849-1861
2
1859
2
1861-1865 (Guerre de Sécession)
2
1869-1877
2
1876
2
18th century
2
2001-2009
2
20th century
2
more ...