UK)

Somalia:
1 July 1960 (from a merger of British Somaliland, which
became independent from the UK on 26 June 1960, and Italian
Somaliland, which became independent from the Italian-administered
UN trusteeship on 1 July 1960, to form the Somali Republic)

South Africa:
31 May 1910 (from UK)

Spain:
1492 (expulsion of the Moors and unification)

Sri Lanka:
4 February 1948 (from UK)

Sudan:
1 January 1956 (from Egypt and UK)

Suriname:
25 November 1975 (from Netherlands)

Svalbard:
none (territory of Norway)

Swaziland:
6 September 1968 (from UK)

Sweden:
6 June 1523 (Gustav VASA elected king)

Switzerland:
1 August 1291 (Founding of the Swiss Confederation)

Syria:
17 April 1946 (from League of Nations mandate under French
administration)

Tajikistan:
9 September 1991 (from Soviet Union)

Tanzania:
26 April 1964; Tanganyika became independent 9 December
1961 (from UK-administered UN trusteeship); Zanzibar became
independent 19 December 1963 (from UK); Tanganyika united with
Zanzibar 26 April 1964 to form the United Republic of Tanganyika and
Zanzibar; renamed United Republic of Tanzania 29 October 1964

Thailand:
1238 (traditional founding date; never colonized)

Togo:
27 April 1960 (from French-administered UN trusteeship)

Tokelau:
none (territory of New Zealand)

Tonga:
4 June 1970 (from UK protectorate)

Trinidad and Tobago:
31 August 1962 (from UK)

Tunisia:
20 March 1956 (from France)

Turkey:
29 October 1923 (successor state to the Ottoman Empire)

Turkmenistan:
27 October 1991 (from the Soviet Union)

Turks and Caicos Islands:
none (overseas territory of the UK)

Tuvalu:
1 October 1978 (from UK)

Uganda:
9 October 1962 (from UK)

Ukraine:
24 August 1991 (from Soviet Union)

United Arab Emirates:
2 December 1971 (from UK)

United Kingdom:
England has existed as a unified entity since the
10th century; the union between England and Wales was enacted under
the Statute of Rhuddlan in 1284; in the Act of Union of 1707,
England and Scotland agreed to permanent union as Great Britain; the
legislative union of Great Britain and Ireland was implemented in
1801, with the adoption of the name the United Kingdom of Great
Britain and Ireland; the Anglo-Irish treaty of 1921 formalized a
partition of Ireland; six northern Irish counties remained part of
the United Kingdom as Northe