Era
20th century
37
1952-1982
26
1982-
19
1982-2006
17
1900-1999
11
1938-1952
11
1938-
8
Since 1938
8
1900 - 1999
6
19th century
6
1938-1982
5
1982 - 2006
5
Since 1982
5
1870-1952
4
1880-1956
4
1895-1979
4
1906-1990
4
1907-1970
4
1908-1979
4
1912-
4
1913-1994
4
1918-2010
4
1952 - 1982
4
1952-
4
20e siècle
4
21st century
4
1892-1982
3
1894-1980
3
1895-1974
3
1901-1973
3
1902-1969
3
1908-1981
3
1918-
3
1918-1970
3
1919-1968
3
1920-1970
3
1933-1959
3
1943-
3
1945-
3
2006-
3
Revolution, 1959
3
1800 - 1999
2
1872-1952
2
1888-1963
2
1897-
2
1898-1973
2
1908-1995
2
1910-1977
2
1918-1976
2
1920 - 1970
2
more ...