Era
Civil War, 1861-1865
2,488
Civil War
259
1861-1865
245
19th century
202
Civil war
113
20th century
91
1809-1865
75
1861-1865 (Guerre de Sécession)
66
Civil war, 1861-1865
53
Colonial period, ca. 1600-1775
29
Revolution, 1775-1783
27
1822-1885
24
1807-1870
21
18th century
20
1815-1861
18
1826-1885
18
1900-1999
18
1800-1899
17
19e siècle
16
20e siècle
16
Civil War, 1642-1649
16
Civil War, 1936-1939
14
1862
13
To 1783
13
1775-1865
12
17th century
12
1849-1877
11
1857-1861
11
1865-1898
11
1815-1872
10
1818-1893
10
1877-1964
10
1783-1865
9
1862-1865
9
War of 1812
9
1816-1870
8
1820-1891
8
To 1865
8
War with Mexico, 1845-1848
8
1833-1864
7
1865-1918
7
1865-1950
7
1808-1889
6
1810-1883
6
1861-1864
6
1861-1865, Civil War
6
1863
6
1863-1877
6
Civil War, 1861-1864
6
Siege, 1863
6
more ...