Historical Period
20th century
221
19th century
98
1865-1950
36
1951-
32
1877-1964
24
Civil War, 1861-1865
22
1865-1945
18
1863-1877
15
1865-1877
15
1865-1951
15
1775-1865
14
1865-
10
18th century
8
1897-1966
7
1918-1961
7
1945-1989
7
1920-1980
6
1929-1968
5
To 1964
5
1900-1999
4
1945-
4
1884-1954
3
1884-1956
3
1885-1942
3
1887-1940
3
1900-1941
3
1903-1986
3
1910-1985
3
1918-
3
1933-1945
3
1941-1955
3
1948
3
21st century
3
Colonial period, ca. 1600-1775
3
17th century
2
1800-1899
2
1833-1887
2
1856-1915
2
1858-1964
2
1865-1900
2
1865-1918
2
1873-1950
2
1875-1970
2
1893-1972
2
1897-1988
2
1898-1974
2
1898-1987
2
1902-2003
2
1908-2001
2
1917-1967
2
more ...