Suriname!
Suriname, in South America.
Suriname, South American country
Brazil
The last country in the Americas to gain independence was Suriname, which achieved independence from the Netherlands on November 25, 1975. This marked the end of colonial rule and the establishment of Suriname as a sovereign nation. Prior to Suriname, other territories in the region had already gained independence throughout the 20th century.
Falkland Island
In South America, Paraguay achieved independence from Spain in 1811.
South America is a continent, so you need to inquire about a particular place or country.
I'm Sure it's Brazil
The first country ever to gain independence was San Marino who achieved independence from the Roman Empire.
netherlands.
The country that got its independence in January 23 1579 is Netherlands.
Luxembourg declared independence from the French Empire on June 9, 1815, so Luxembourg has been a country for over 196 years.