Era
1934-
26
1869-1934
23
1789-1869
13
19th century
8
20th century
7
To 1789
6
18th century
4
1866-1895
3
1884-1968
3
Colonial period, ca. 1600-1775
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
1866-1923
2
1933-1945
2
Civil War, 1861-1865
2
-1854
1
1715-1774
1
1732-1799
1
1750-1815
1
1755-1763, French and Indian War
1
1775-1783
1
1789-1815
1
17th century
1
1801-1873
1
1803-1866
1
1809-1865
1
1812-1861
1
1821-1894
1
1822-1892
1
1829?-1908
1
1839-1876
1
1840-1904
1
1848-1860
1
1851-1941
1
1860-1890
1
1862-1865
1
1865-1869
1
1865-1918
1
1865-1933
1
1888-1956
1
1891-1982
1
1907-1953
1
1907-2007
1
1908-1973
1
1917-1963
1
more ...