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)