Argentina
9 July 1816 (from Spain)

Armenia
21 September 1991 (from Soviet Union)

Aruba
none (part of the Kingdom of the Netherlands)

Australia
1 January 1901 (federation of UK colonies)

Austria
17 September 1156 (Duchy of Austria founded); 11 August 1804
(Austrian Empire proclaimed); 12 November 1918 (republic proclaimed)

Azerbaijan
30 August 1991 (from Soviet Union)

Bahamas, The
10 July 1973 (from UK)

Bahrain
15 August 1971 (from UK)

Bangladesh
16 December 1971 (from West Pakistan); note - 26 March
1971 is the date of independence from West Pakistan, 16 December
1971 is known as Victory Day and commemorates the official creation
of the state of Bangladesh

Barbados
30 November 1966 (from UK)