Historical Period
1951-
20th century
24
1865-1950
17
1945-1989
10
1945-
9
1933-1945
4
1989-
4
1948
3
1898-1974
2
1902-2003
2
1918-1961
2
1924-
2
2008
2
21st century
2
Since 1900
2
Since 1951
2
1882-1945
1
1884-1972
1
1907-1998
1
1908-1973
1
1914-1991
1
1917-1963
1
1919-1998
1
1922-
1
1925-1968
1
1946-
1
1961-1963
1
1974-1977
1
1976
1
1977-1981
1
1984
1
2001-2009
1
Since 1945
1