Era
1700-1799
1
1700-1820
1
1789-1820
1
1800 - 1899
1
1800-1899
1
1800-1999
1
1809-1865
2
1859-1929
2
1862-1925
1
1869-1943
1
18th century
2
1901-1910
1
1911-1920
1
1914 - 1918
1
1940-1991
2
1981-1990
1
19th century
4
2001-2010
2
20th century
1
Civil War, 1861-1865
8
Revolution, 1775-1783
1
Revolution, 1789-1799
1
Revolution, 1979
1
Revolutionary period, 1775-1783
1
To 1901
4
To 1921
1