Afghanistan:
19 August 1919 (from UK control over Afghan foreign
affairs)
Albania:
28 November 1912 (from Ottoman Empire)
Algeria:
5 July 1962 (from France)
American Samoa:
none (territory of the US)
Andorra:
1278 (was formed under the joint suzerainty of France and
Spain)
Angola:
11 November 1975 (from Portugal)
Anguilla:
none (overseas territory of the UK)
Antigua and Barbuda:
1 November 1981 (from UK)
Argentina:
9 July 1816 (from Spain)
Armenia:
21 September 1991 (from Soviet Union)