Belize:
21 September 1981
Benin:
December 1990
Bermuda:
8 June 1968, amended 1989
Bhutan:
no written constitution or bill of rights; note - Bhutan
uses 1953 Royal decree for the Constitution of the National
Assembly; on 7 July 1998, a Royal edict was ratified giving the
National Assembly additional powers
Bolivia:
2 February 1967; revised in August 1994
Bosnia and Herzegovina:
the Dayton Agreement, signed 14 December
1995, included a new constitution now in force
Botswana:
March 1965, effective 30 September 1966
Brazil:
5 October 1988
British Virgin Islands:
1 June 1977
Brunei:
29 September 1959 (some provisions suspended under a State
of Emergency since December 1962, others since independence on 1
January 1984)