Era
Civil War, 1861-1865
51
20th century
38
19th century
33
1861-1865
17
1900-1999
16
1775-1865
15
1865-
9
1800-1899
8
1861 - 1865
8
1865-1950
7
Since 1865
7
1900 - 1999
5
1905-1990
5
To 1865
5
1863-1877
4
1787-1850
3
1856
3
1861-1877
3
1893-1968
3
1951-
3
1961-1970
3
-1884
2
1734-1820
2
1767-1845
2
1800 - 1899
2
1805-1877
2
1806-1874
2
1807-1878
2
1808-1889
2
1846-1865
2
1861
2
1861-1865 (Guerre de Sécession)
2
1865-1945
2
1865-1999
2
1869-1947
2
1888-1974
2
18th century
2
1905-1989
2
1907-1998
2
1910-1956
2
1936-
2
1941-
2
1945-1989
2
1971-1980
2
19e siècle
2
Colonial period, ca. 1600-1775
2
Siege, 1863
2
To 1792
2
d. 1884
2
1700-1899
1
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