1958 (from France)

Nigeria:
1 October 1960 (from UK)

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)

Peru:
28 July 1821 (from Spain)

Philippines:
4 July 1946 (from US)

Pitcairn Islands:
none (overseas territory of the UK)

Poland:
11 November 1918 (independent republic proclaimed)

Portugal:
1140 (independent republic proclaimed 5 October 1910)

Puerto Rico:
none (commonwealth associated with the US)

Qatar:
3 September 1971 (from UK)

Reunion:
none (overseas department of France)

Romania:
1881 (from Turkey; republic proclaimed 30 December 1947)

Russia:
24 August 1991 (from Soviet Union)

Rwanda:
1 July 1962 (from Belgium-administered UN trusteeship)

Saint Helena:
none (overseas territory of the UK)

Saint Kitts and Nevis:
19 September 1983 (from UK)

Saint Lucia:
22 February 1979 (from UK)

Saint Pierre and Miquelon:
none (territorial collectivity of France;
has been under French control since 1763)

Saint Vincent and the Grenadines:
27 October 1979 (from UK)

Samoa:
1 January 1962 (from New Zealand-administered UN trusteeship)

San Marino:
3 September 301

Sao Tome and Principe:
12 July 1975 (from Portugal)

Saudi Arabia:
23 September 1932 (Unification of the Kingdom)

Senegal:
4 April 1960 (from France); complete independence was
achieved upon dissolution of federation with Mali on 20 August 1960

Seychelles:
29 June 1976 (from UK)

Sierra Leone:
27 April 1961 (from UK)

Singapore:
9 August 1965 (from Malaysia)

Slovakia:
1 January 1993 (Czechoslovakia split into the Czech
Republic and Slovakia)

Slovenia:
25 June 1991 (from Yugoslavia)

Solomon Islands:
7 July 1978 (from