Era
20th century
11
20th century --
11
1966-1998
6
1998-
6
1798-1942
3
1950-1966
3
21st century
3
1901-1970
2
1902-
2
1902-1980
2
1945-
2
1966-
2
21st century --
2
1860-1916
1
1902-1973
1
1908-1981
1
1908-1993
1
1917-1961
1
1921-2008
1
1922-2004
1
1924-
1
1940-
1
1945 --
1
1947-
1
1949-
1
1966-1997
1
1997-
1
1999-
1
19th century --
1
Coup d'à‚etat, 1965
1
Japanese Occupation, 1942-1945
1