Era
19th century
43
Civil War, 1861-1865
40
1800-1899
22
18th century
19
Revolution, 1775-1783
11
1861-1865
10
1861 - 1865
9
1700-1899
8
1775-1865
6
20th century
6
Colonial period, ca. 1600-1775
5
1790
4
1790-1800
4
1850
4
War of 1812
4
-1822
3
1775 - 1783
3
1775-1783
3
1860
3
1878-1950
3
-1820
2
1800 - 1899
2
1810
2
1830
2
1830-1894
2
1852-1924
2
1865-1951
2
1877-1963
2
1879-1938
2
1881-
2
1900-1999
2
1902-1979
2
Civil War, 1961-1865
2
Revolution
2
d.1911
2
-1686
1
-1833
1
-1846
1
-1865
1
-1935
1
-1936
1
-1966
1
1490-before 1580
1
1564-1616
1
1600-1799
1
1690-1763
1
1690?-1750?
1
1700 - 1799
1
1700-1799
1
1700-1999
1
more ...