British Virgin Islands
none (overseas territory of the UK)

Brunei
1 January 1984 (from UK)

Bulgaria
3 March 1878 (from Ottoman Empire)

Burkina Faso
5 August 1960 (from France)

Burma
4 January 1948 (from UK)

Burundi
1 July 1962 (from UN trusteeship under Belgian
administration)

Cambodia
9 November 1953 (from France)

Cameroon
1 January 1960 (from French-administered UN trusteeship)

Canada
1 July 1867 (from UK)

Cape Verde
5 July 1975 (from Portugal)