(CNN)Here's some background information about Cuba, a communist country located in the Caribbean Sea, approximately 90 miles south of Florida.
(from the CIA World Factbook)
Area: 110,860 sq km (slightly smaller than Pennsylvania)
Population: 11,032,343 (July 2021 est.)
Median age: 42.1 years
Ethnic Groups: White 64.1%, mixed 26.6%, Black 9.3% (2012 est.)
Unemployment: 2.6% (2017 est.)
Before the collapse of the Soviet Union in the early 1990s, Cuba was receiving subsidies worth $4 billion-$6 billion a year.
The United States pays Cuba approximately $4,085 a year to lease the 45 square miles that the Guantánamo Bay Naval Station occupies. Cuba has not accepted the payment since 1959.
1492 - Explorer Christopher Columbus lands on the island of Cuba and claims it for Spain. Spain controls the island until 1898, making it a hub for the slave trade and the export of sugar and coffee.
1898 - The United States assists Cubans in winning independence from Spain during the Spanish-American War. The Treaty of Paris gives the US temporary control of Cuba.
1902 - Cuba gains independence from the United States.
1903 - The new Republic of Cuba leases 45 square miles of land in Guantánamo Bay to the United States for construction of a naval station. Building on the naval station begins that same year.
1952 - Former President Fulgencio Batista stages a coup with the support of the army, and assumes power.
July 26, 1953 - Fidel Castro and approximately 150 others attack the Moncada military barracks in Santiago de Cuba in an unsuccessful attempt to overthrow the Batista regime.
October 16, 1953 - Castro is sentenced to 15 years in prison.
May 15, 1955 - Castro and his brother, Raul, are released as part of a general amnesty for political prisoners.
December 2, 1956 -