Era
Civil War, 1861-1865
12
Revolution, 1775-1783
10
1732-1799
8
War of 1812
8
1779-1843
6
To 1901
5
1775-1783
3
1807-1882
2
1826-1864
2
1831-1881
2
1861-1941
2
1869-1935
2
1871-1913
2
18th century
2
19th century
2
1757-1847
1
1773-1841
1
1776-1835
1
1780-1818
1
1783-1815
1
1783-1850
1
1783-1865
1
1800-1899
1
1804
1
1809
1
1811-1820;
1
1813-1883
1
1814
1
1815-1904
1
1818
1
1819
1
1821
1
1823-1885
1
1825-1868
1
1832
1
1837-1841
1
1863
1
1864-1953
1
1868
1
1868-1917
1
1871-1938
1
1873-1954
1
1880-1937
1
1894-1976
1
1894-1977
1
1896-
1
1899-1985
1
1900-
1
1901-1910
1
1901-1953
1
more ...