75 (from the 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)

Timor-Leste
28 November 1975 (independence proclaimed from
Portugal); note - 20 May 2002 is the official date of international
recognition of Timor-Leste's independence from Indonesia

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 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, begun in 1284
with the Statute of Rhuddlan, was not formalized until 1536 with an
Act of Union; in another Act of Union in 1707, England and Scotland
agreed to permanently join 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 Northern Ireland and the current name of the country, the
United Kingdom of Great Britain and Northern Ireland, was adopted in
1927

United States
4 July 1776 (from Great Britain)

Uruguay
25 August 1825 (from Brazil)

Uzbekistan
1 September 1991 (fr