Historical Period
20th century
334
19th century
98
1908-1960
30
1811-1896
28
1902-1967
24
1924-1987
18
21st century
13
18th century
12
1835-1910
10
1858-1932
9
1894-1967
8
1897-1962
8
1948-
7
1783-1850
6
1868-1963
6
1909-1984
6
1944-
6
1818-1895
5
1934-2014
5
Civil War, 1861-1865
5
Colonial period, ca. 1600-1775
5
Revolutionary period, 1775-1783
5
1908-1997
4
To 1964
4
1812-1885
3
1864-1946
3
1872-1906
3
1880-1964
3
1885-1942
3
1885-1954
3
1897-1966
3
1900-1941
3
1900-1999
3
1913-1980
3
1915-1998
3
1929-2019
3
1933-2019
3
1723-1792
2
1803-1882
2
1804-1864
2
1809-1849
2
1814?-1884
2
1819-1892
2
1839-1915
2
1843-1916
2
1857-1924
2
1865-
2
1871-1938
2
1877-1964
2
1889-1977
2
more ...