Bangladesh
4 November 1972, effective 16 December 1972; suspended
following coup of 24 March 1982, restored 10 November 1986; amended
many times
Barbados
30 November 1966
Belarus
15 March 1994; revised by national referendum of 24 November
1996 giving the presidency greatly expanded powers and became
effective 27 November 1996; revised again 17 October 2004 removing
presidential term limits
Belgium
7 February 1831; amended many times; revised 14 July 1993 to
create a federal state
Belize
21 September 1981
Benin
December 1990
Bermuda
8 June 1968; amended 1989 and 2003
Bhutan
no written constitution or bill of rights; note - in 2001 the
King commissioned the drafting of a constitution, and in November
2004 presented a draft to the Council of Ministers; now awaiting
referendum
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; note - each of the
entities also has its own constitution