Historical Period
20th century
344
1969-1974
82
1963-1969
70
19th century
50
1961-1969
49
1951-
36
1945-1989
33
2001-2009
22
1865-1950
18
1934-
18
1908-1973
17
1980-
16
21st century
15
1642-1649
13
1933-1945
13
1945-
13
1961-1963
13
1929-1968
10
1989-
10
1861-1865
9
1991-
9
1865-1900
8
1789-1820
7
1809-1865
7
18th century
7
1917-1963
7
1960-1980
7
1981-1989
7
Civil War, 1861-1865
7
1953-1985
6
Civil War, 1642-1649
6
To 1964
6
1614?-1657
5
1649-1660
5
17th century
5
1882-1945
5
1884-1972
5
1890-1969
5
1908-1993
5
1945-1953
5
1945-1991
5
1953-1961
5
1969-
5
1976-2002
5
To 1963
5
1868-1963
4
1877-1964
4
1925-1965
4
1925-1968
4
1948-
4
more ...