Era
Civil War, 1861-1865
31
Revolution, 1775-1783
23
1732-1799
7
18th century
5
Colonial period, ca. 1600-1775
4
19th century
3
20th century
3
War of 1812
3
1734-1806
2
1775-1865
2
1790-1794
2
1823-1889
2
1830-1889
2
1837-1914
2
1843-1901
2
1868
2
1882
2
French and Indian War, 1754-1763
2
1695?-1755
1
1712-1820?
1
1719-1791
1
1720-1801
1
1741-1827
1
1743-1828
1
1745-1825
1
1747-1781
1
1750-1815
1
1750-1835
1
1761-1804
1
1783-1815
1
1821-1905
1
1826-1895
1
1831-
1
1834-1922
1
1836-1903
1
1837-1879
1
1837-1900
1
1837-1930
1
1838-1917
1
1839-1862
1
1844-
1
1865-1950
1
1875
1
1888-1980
1
1929
1
Civil war
1
French and Indian War, 1755-1763
1
To 1775
1
b. 1777
1
b. 1831
1
more ...