Era
1991-
83
1985-1991
22
1952-
18
Since 1991
14
1946-
8
21st century
8
1931-2007
7
1989-
4
2017-
4
1931-
3
2009-2017
3
1917-
2
1970-1991
2
2016
2
20th century
2
Civil War, 1994-
2
Since 1985
2
1878-1953
1
1894-1917
1
1917-1936
1
1917-1945
1
1923-2005
1
1925-1953
1
1934-
1
1936-1953
1
1945-
1
1953-1985
1
1962-2006
1
1965-
1
1986-1991
1
1990-talet
1
1991--
1
2000-talet
1
2002-
1
Attempted coup, 1991
1
Revolution, 1917-1921
1
Since 2000
1
Unification, 1990
1