word | | Independence |
| Serbia | Montenegro | 3 June 2006 (from Serbia and Montenegro) |
| Serbia | Serbia | 5 June 2006 (from Serbia and Montenegro) |
| Seu | Andorra | 1278 (formed under the joint sovereignty of the French Count of Foix and the Spanish Bishop of Seu d'Urgel) |
| seven | Spain | ... prior to the Muslim occupation that began in the early 8th century A.D. and lasted nearly seven centuries; the small Christian redoubts of the north began the reconquest almost immediately, culminating in ... |
| Shah | Nepal | 1768 (unified by Prithvi Narayan Shah) |
| signed | European Union | 7 February 1992 (Maastricht Treaty signed establishing the EU); 1 November 1993 (Maastricht Treaty entered into force) note: Treaties of Rome, which were signed on 25 March 1957 and ... |
| signed | Holy See (Vatican City) | 11 February 1929 (from Italy); note - the three treaties signed with Italy on 11 February 1929 acknowledged, among other things, the full sovereignty of the Vatican and established its territorial extent; however ... |
| since | Saint Pierre and Miquelon | none (territorial collectivity of France; has been under French control since 1763) |
| six | United Kingdom | ... Great Britain); 1 January 1801 (Acts of Union formally unite Great Britain and Ireland as the United Kingdom of Great Britain and Ireland); 6 December 1921 (Anglo-Irish Treaty formalizes partition of |
| Slovakia | Czech Republic | 1 January 1993 (Czechoslovakia split into the Czech Republic and Slovakia); note - although 1 January is the day the Czech Republic came into being, the Czechs generally consider 28 October 1918, the ... |
| Slovakia | Slovakia | 1 January 1993 (Czechoslovakia split into the Czech Republic and Slovakia) |
| Somali | Somalia | ... 1960 (from a merger of British Somaliland that became independent from the UK on 26 June 1960 and Italian Somaliland that became independent from the Italian-administered UN trusteeship on 1 July |