Era
Civil War, 1861-1865
2,528
Civil War
389
1861-1865
266
19th century
220
Civil war
166
20th century
135
1809-1865
81
1861-1865 (Guerre de Sécession)
66
Civil war, 1861-1865
54
1783-1865
33
Colonial period, ca. 1600-1775
31
Revolution, 1775-1783
29
To 1783
29
18th century
28
1900-1999
27
1822-1885
26
1807-1870
24
1865-1918
23
1945-
22
1815-1861
20
20e siècle
20
1826-1885
19
1862
19
1917-
19
1800-1899
18
1918-1945
16
19e siècle
16
Civil War, 1642-1649
16
1775-1865
15
17th century
15
1862-1865
15
To 1865
15
Civil War, 1936-1939
14
1857-1861
13
1865-1898
12
1945-1953
12
To 1775
12
War of 1812
12
1815-1872
11
1849-1877
11
1818-1893
10
1863
10
1877-1964
10
1929-1968
10
1810-1883
9
1814-1869
9
1820-1891
9
1865-1950
9
1816-1870
8
1861
8
more ...