List of Sovereign States By Date of Formation - List - The Americas

The Americas

Country Date Birth of current form of government Date Date of acquisition of sovereignty Date Date of most recent significant territorial modification
Antigua and Barbuda 01981-11-01November 1, 1981 Independence from the United Kingdom
Argentina 01826-02-08February 8, 1826 First presidential government 01810-05-25May 25, 1810 May Revolution installs first local government 01884-10-18October 18, 1884 Conquest of the Desert
01816-07-09July 9, 1816 Argentine Declaration of Independence
Bahamas 01964-01-07January 7, 1964 Internal self-governance granted
01973-07-10July 10, 1973 Independence from the United Kingdom
Barbados 01966-11-30November 30, 1966 Independence from the United Kingdom
Belize 01981-09-21September 21, 1981 Independence from the United Kingdom 01859-01-011859 Treaty establishes border between British Honduras and Guatemala
01964-01-01January 1, 1964 Self-governing colony
Bolivia 01809-05-25May 25, 1809 01825-08-06August 6, 1825 Bolivian War of Independence 01903-11-11November 11, 1903 Signing of the Treaty of Petrópolis with Brazil whereby Bolivia gained lands in Mato Grosso in exchange for the territory of Acre
Brazil 01889-11-15November 15, 1889 Proclamation of the Republic 01822-09-07September 7, 1822 Independence from Portugal declared 01903-11-11November 11, 1903 Signing of the Treaty of Petrópolis with Bolivia whereby Brazil was given the territory of Acre in exchange for lands in Mato Grosso
01825-08-29August 29, 1825 Independence recognized by Portugal
Canada 01867-07-01July 1, 1867 Canadian Confederation 01931-12-11December 11, 1931 Statute of Westminster 01949-04-01April 1, 1949 Dominion of Newfoundland joins as the province of Newfoundland
Chile 01810-09-18September 18, 1810 First Government Junta declares Chile an autonomous republic within Spain 01818-02-12February 12, 1818 Independence declared from Spain 01929-07-03July 3, 1929 Chile awarded Arica district in Treaty of Lima
01844-04-25April 25, 1844 Independence recognized by Spain
Colombia 01810-07-20July 20, 1810 Independence declared from Spain 01903-11-03November 3, 1903 Separation of Panama from Colombia
01819-08-07August 7, 1819 Independence recognized by Spain
Costa Rica 01821-09-15September 15, 1821 Costa Rica declared independence from Spain 01824-07-25July 25, 1824 Partido de Nicoya
01838-11-15November 15, 1838 Independence from Federal Republic of Central America
Cuba 01959-01-01January 1, 1959 Cuban Revolution 01868-10-10October 10, 1868 Independence from Spain declared
01898-12-10December 10, 1898 Spain relinquishes all claim of sovereignty over and title to Cuba
01902-05-20May 20, 1902 United States military occupation ends
Dominica 01967-02-27February 27, 1967 Became an associated state of the United Kingdom
01978-11-03November 3, 1978 Independence from the United Kingdom
Dominican Republic 01865-03-03March 3, 1865 Independence regained from Spain following the Dominican Restoration War
Ecuador 01809-08-10August 10, 1809 01822-05-24May 24, 1822 Independence from Spain of Gran Colombia, of which Ecuador is a part 01942-02-26February 26, 1942 Rio Protocol ends border dispute with Peru
01830-05-13May 13, 1830 Dissolution of Gran Colombia
El Salvador 01821-09-15September 15, 1821 El Salvador becomes province in first mexican empire, which declared independence from Spain
01823-01-011823 El Salvador becomes a state of Federal Republic of Central America
01841-01-011841 Dissolution of the Federal Republic of Central America, El Salvador becomes independent
Grenada 01967-02-27February 27, 1967 Associated state of the United Kingdom
01974-02-07February 7, 1974 Full independence from the United Kingdom
Guatemala 01821-09-15September 15, 1821 Guatemala becomes state in Federal Republic of Central America, which declared independence from Spain
01839-04-17April 17, 1839 Independence from Federal Republic of Central America declared
Guyana 01966-05-26May 26, 1966 Independence from the United Kingdom
Haiti 01987-03-01March 1987 Constitution 01804-01-01January 1, 1804 The French colony Saint-Domingue gains independence as Haiti 01844-02-27February 27, 1844 The Dominican Republic gains independence from Haiti
Honduras 01821-09-15September 15, 1821 Honduras becomes state in Federal Republic of Central America, which declared independence from Spain 01972-09-01September 1, 1972 Swan Islands returned to Honduras from United States occupation
01838-10-26October 26, 1838 Independence from Federal Republic of Central America
Jamaica 01962-08-06August 6, 1962 Independence from the United Kingdom
Mexico 01917-01-011917 Constitution 01810-09-16September 16, 1810 Independence from Spain declared 01853-12-30December 30, 1853 Gadsden Purchase
01821-08-24August 24, 1821 Independence recognized by Spain in Treaty of Córdoba
Nicaragua 01821-09-15September 15, 1821 Nicaragua becomes state in Federal Republic of Central America, which declared independence from Spain
01838-11-05November 5, 1838 Independence from Federal Republic of Central America
Panama 01903-11-03November 3, 1903 Separation of Panama from Colombia 01979-10-01October 1, 1979 United States returns Panama the Panama Canal Zone
Paraguay 01992-06-01June 1992 Democratic Constitution 01811-05-14May 14, 1811 Independence from Spain declared 01938-01-011938 Paraguay awarded a large portion of the Gran Chaco as a result of the Chaco War
Peru 01821-07-28July 28, 1821 Independence from Spain declared 01942-02-26February 26, 1942 Rio Protocol ends border dispute with Ecuador
01879-01-011879 Independence from Spain recognized
Saint Kitts and Nevis 01967-02-27February 27, 1967 Associated state of the United Kingdom 01980-12-19December 19, 1980 Anguilla separated from Saint Christopher-Nevis-Anguilla
01983-09-19September 19, 1983 Independence from the United Kingdom
Saint Lucia 01967-02-27February 27, 1967 Associated statehood
01979-02-22February 22, 1979 Independence from the United Kingdom
Saint Vincent and the Grenadines 01969-10-27October 27, 1969 Associated statehood
01979-10-27October 27, 1979 Independence from the United Kingdom
Suriname 01954-12-15December 15, 1954 Self-government granted
01975-11-25November 25, 1975 Independence from Netherlands
Trinidad and Tobago 01962-08-31August 31, 1962 Independence from the United Kingdom
United States 01787-09-17September 17, 1787 Ratification of the United States Constitution replaced the previous Articles of Confederation creating a new system of government 01776-07-04July 4, 1776 Independence from the Kingdom of Great Britain declared 01959-08-21August 21, 1959
Territory of Hawaii joins as the state of Hawaii
01783-09-03September 3, 1783 Independence from the Kingdom of Great Britain recognized 01981-09-07September 7, 1981
The United States cedes Serrana Bank and Roncador Bank to the Republic of Colombia as a result of a treaty signed in 1972
Uruguay 01825-08-25August 25, 1825 Independence declared, joined in union with United Provinces of the Río de la Plata (current Argentina).(Independence from Brazil declared)
01828-08-27August 27, 1828 Treaty of Montevideo signed, recognizing Uruguay's independence
Venezuela 01810-04-10April 10, 1810 independence from Spain declared
01830-01-13January 13, 1830 President José Antonio Páez declares Venezuela independent from Gran Colombia

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Famous quotes containing the word americas:

    “The only history is a mere question of one’s struggle inside oneself. But that is the joy of it. One need neither discover Americas nor conquer nations, and yet one has as great a work as Columbus or Alexander, to do.”
    —D.H. (David Herbert)