Historical Period
20th century
66
19th century
11
1909-2001
10
1865-
5
1917-1967
4
1890-1980
3
1897-1966
3
1910-1985
3
Civil War, 1861-1865
3
1810-1879
2
1835-1909
2
1873-1945
2
1895-1981
2
1897-1988
2
18th century
2
1935-
2
1958-
2
-1928
1
1820-1897
1
1873-1947
1
1883-1928
1
1897-
1
1897-1962
1
1936-2010
1
1960-
1
Since 1865
1