Era
1934-
39
1869-1934
24
1789-1869
21
19th century
12
20th century
8
To 1789
8
1884-1968
4
18th century
4
Colonial period, ca. 1600-1775
4
1866-1895
3
1866-1923
3
1933-1945
3
French and Indian War, 1754-1763
3
Indian occupation, 1969-1971
3
Indian occupation, 1973
3
Revolution, 1775-1783
3
1743-1826
2
1767-1845
2
1865-1898
2
1888-1956
2
Civil War, 1861-1865
2
To 1775
2
-1854
1
-1869
1
1715-1774
1
1718-1779
1
1732-1799
1
1750-1815
1
1755-1763, French and Indian War
1
1770-1838
1
1775-1783
1
1785-1862
1
1789-1815
1
17th century
1
1801-1873
1
1803-1866
1
1809-1865
1
1811-1891
1
1812-1861
1
1821-1894
1
1822-1892
1
1828-1895
1
1829-1909
1
1829?-1908
1
1839-1876
1
1840-1904
1
1848-1860
1
1851-1941
1
1854-1861
1
1860-1890
1
more ...