Niue
on 19 October 1974, Niue became a self-governing parliamentary
government in free association with New Zealand
Norfolk Island
none (territory of Australia)
Northern Mariana Islands
none (commonwealth in political union with
the US)
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)