Era
1925-1961
3
20th century
3
21st century
3
1900 - 1999
2
1900-1999
2
1975-
2
2000-2099
2
-1977
1
-632
1
1917-2002
1
1921-1944
1
1929-
1
1935-
1
1940 February 21-
1
1940-2020
1
1940-2020,
1
1945 - 1962
1
1945-
1
1945-1960
1
1945-1962
1
1945-1970
1
1954-
1
1958-
1
1960-1970
1
1964-
1
1965-
1
1967-
1
1969-
1
1976-
1
1977-
1
Revolution, 1954-1962
1
Since 1975
1