US Imperialism

France, French Polynesia, Nuku Hiva

Period: 1813 to 1832

The US Navy said it was theres but congress disagreed

Liberia

Period: 1821 to 1847

UK, Falkland Islands

Period: 1831 to 1832

Kiribati

Period: 1856 to 1979

Canton and Enderbury Islands 1938-79
Line Islands ?-1979
Nikumaroro 1856-1979
phoenix islands ?-1979

Colombia

Period: 1856 to 1981

quita Sueno bank 1869-1981
rocador bank 1856-1981
serrana bank ?-1981

Honduras Swan Islands

Period: 1863 to 1972

Philippines

Period: 1896 to 1946

Puerto Rico

Period: 1898 to 2017

Guam

Period: 1898 to 2017

American Samoa

Period: 1899 to 2017

Cuba

Period: 1899 to 1902

Panama Canal Zone

Period: 1903 to 1979

Mexico Rico Rico, Tamaulipas

Period: 1906 to 1977

Mexico Veracruz

Period: 1914 to 1914

Nicaragua Corn Islands

Period: 1914 to 1971

Haiti

Period: 1915 to 1934

Dominican Republic 1915-24,1965-1966

Period: 1916 to 1966

United States Virgin Islands

Period: 1917 to 2017

Japan Marcus Island

Period: 1945 to 1968

Japan Nanpo Islands

Period: 1945 to 1968

Trust Territory of the Pacific Islands

Period: 1947 to 1994

just look at the wikipedia page

Okinawa

Period: 1950 to 1972

Amami Islands

Period: 1950 to 1953

Panama

Period: 1989 to 1990