Norway
7 June 1905 (Norway declared the union with Sweden
dissolved); 26 October 1905 (Sweden agreed to the repeal of the
union)
Oman
1650 (expulsion of the Portuguese)
Pakistan
14 August 1947 (from UK)
Palau
1 October 1994 (from the US-administered UN Trusteeship)
Panama
3 November 1903 (from Colombia; became independent from Spain
28 November 1821)
Papua New Guinea
16 September 1975 (from the Australian-administered
UN trusteeship)
Paraguay
14 May 1811 (from Spain)
Peru
28 July 1821 (from Spain)
Philippines
12 June 1898 (from Spain)
Pitcairn Islands
none (overseas territory of the UK)