Truman made five international trips during his presidency : His only trans-Atlantic trip was to participate in the 1945 Potsdam Conference with British Prime Ministers Churchill and Attlee and Soviet Premier Stalin . He also visited neighboring Bermuda , Canada and Mexico , plus Brazil in South America . Truman only left the continental United States on two other occasions ( to Puerto Rico , the Virgin Islands , Guantanamo Bay Naval Base , Cuba , February 20-March 5 , 1948 ; and to Wake Island , October 11 – 18 , 1950 ) during his nearly eight years in office
Potsdam Conference
Potsdam Conference
Foreign policy of the Harry S. Truman administration