The United States.
Cuba qualifies as such.
Belize was the last country in Central America to gain independence, achieving independence from the United Kingdom in 1981.
England
America was declared a country on July 4th, 1776, according to the Declaration of Independence.
America was declared a country on July 4th, 1776, according to the Declaration of Independence.
Great Britain
We need a country to answer and whose independence.
Spain
Also most of South America, they all won their independence from Spain.
In South America, Paraguay achieved independence from Spain in 1811.
Haiti.
Great Britain.