Era
20th century
656
19th century
281
21st century
169
Colonial period, ca. 1600-1775
46
18th century
26
1783-1850
22
Revolutionary period, 1775-1783
22
1809-1849
13
1783-1865
12
1803-1882
10
1835-1910
10
1819-1891
8
1944-
8
17th century
7
1830-1886
6
1817-1862
5
1804-1864
4
1819-1892
4
1860-1935
4
1874-1946
4
1899-1961
4
1902-1967
4
1908-1960
4
Civil War, 1861-1865
4
Revolution, 1775-1783
4
1865-
3
1870-1902
3
1873-1947
3
1874-1963
3
1888-1965
3
1896-1940
3
1897-1962
3
1933-2004
3
1934-
3
1813-1897
2
1818-1895
2
1842-1910
2
1843-1916
2
1850-1904
2
1856-1939
2
1865-1918
2
1868-1963
2
1871-1900
2
1876-1916
2
1885-1972
2
1888-1953
2
1890-1980
2
1898-1989
2
1902-1968
2
1909-2001
2
more ...