word | | Independence |
| Christian | Spain | ... 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 the seizure of Granada in ... |
| claimed | Falkland Islands (Islas Malvinas) | none (overseas territory of the UK; also claimed by Argentina) |
| Coalition | Iraq | 3 October 1932 (from League of Nations mandate under British administration); note - on 28 June 2004 the Coalition Provisional Authority transferred sovereignty to the Iraqi-controlled Government |
| collectivity | Mayotte | none (territorial overseas collectivity of France) |
| collectivity | Saint Barthelemy | none (overseas collectivity of France) |
| collectivity | Saint Martin | none (overseas collectivity of France) |
| collectivity | Saint Pierre and Miquelon | none (territorial collectivity of France; has been under French control since 1763) |
| Colombia | Panama | 3 November 1903 (from Colombia; became independent from Spain 28 November 1821) |
| colonies | Australia | 1 January 1901 (federation of UK colonies) |
| colonies | Canada | 1 July 1867 (union of British North American colonies); 11 December 1931 (recognized by UK) |
| colonies | South Africa | 31 May 1910 (Union of South Africa formed from four British colonies: Cape Colony, Natal, Transvaal, and Orange Free State); 31 May 1961 (republic declared) 27 April 1994 (majority rule) |
| colonized | Thailand | 1238 (traditional founding date; never colonized) |
| Colony | South Africa | 31 May 1910 (Union of South Africa formed from four British colonies: Cape Colony, Natal, Transvaal, and Orange Free State); 31 May 1961 (republic declared) 27 April 1994 (majority rule) |
| commemorates | Bangladesh | 16 December 1971 (from West Pakistan); note - 26 March 1971 is the date of independence from West Pakistan, 16 December 1971 is known as Victory Day and commemorates the official creation of the state of Bangladesh |
| commonwealth | Northern Mariana Islands | none (commonwealth in political union with the US) |
| commonwealth | Puerto Rico | none (territory of the US with commonwealth status) |
| complete | Bulgaria | 3 March 1878 (as an autonomous principality within the Ottoman Empire); 22 September 1908 (complete independence from the Ottoman Empire) |
| complete | Senegal | 4 April 1960 (from France); note - complete independence achieved upon dissolution of federation with Mali on 20 August 1960 |
| completed | Bosnia and Herzegovina | 1 March 1992 (from Yugoslavia; referendum for independence completed 1 March 1992; independence declared 3 March 1992) |
| completed | Spain | ... north began the reconquest almost immediately, culminating in the seizure of Granada in 1492; this event completed the unification of several kingdoms and is traditionally considered the forging of present-day Spain |
| conclude | Netherlands | 23 January 1579 (the northern provinces of the Low Countries conclude the Union of Utrecht breaking with Spain; on 26 July 1581 they formally declared their independence with an Act of Abjuration ... |
| Confederation | Switzerland | 1 August 1291 (founding of the Swiss Confederation) |
| considerably | Holy See (Vatican City) | ... full sovereignty of the Vatican and established its territorial extent; however, the origin of the Papal States, which over the years have varied considerably in extent, may be traced back to the |
| considered | Spain | ... north began the reconquest almost immediately, culminating in the seizure of Granada in 1492; this event completed the unification of several kingdoms and is traditionally considered the forging of present-day Spain |
| constitutional | Denmark | first organized as a unified state in 10th century; in 1849 became a constitutional monarchy |
| control | Afghanistan | 19 August 1919 (from UK control over Afghan foreign affairs) |
| control | Saint Pierre and Miquelon | none (territorial collectivity of France; has been under French control since 1763) |