Historical Period
20th century
222
19th century
77
21st century
42
18th century
25
1989-
18
1951-
13
17th century
8
1865-1950
8
1945-1989
8
Revolution, 1775-1783
8
To 1500
8
1919-1952
6
1837-1901
5
1945-
5
1960-
5
1977-
5
1979-
5
2001-2009
5
2008
5
Civil War, 1861-1865
5
1880-1965
4
1914-1940
4
1921-2021
4
1930-2002
4
1943-1955
4
1960-1980
4
1964-
4
1985-
4
1985-2002
4
1988-
4
1994-
4
2002-
4
2016
4
Middle Ages, 500-1500
4
16th century
3
1789-1793
3
1800-1859
3
1801-1917
3
1874-1965
3
1882-1964
3
1884-1962
3
1895-1952
3
1898-1978
3
1900-1999
3
1900-2002
3
1901-1936
3
1918-1945
3
1932-2010
3
1947-
3
1958-
3
more ...