U.S. President and Secretary of State confer aboard cruiser en route to Berlin Conference. U.S. President Harry S.

U.S. President and Secretary of State confer aboard cruiser en route to Berlin Conference. U.S. President Harry S. Truman (right) and U.S. Secretary of State James F. Byrnes study a map of Europe aboard the cruiser U.S.S. Augusta en route to the Berlin Conference. On July 16, 1945, President Truman met with British Prime Minister Winson Churchill and Soviet Premier Josef Stalin in Portsdam, a suburb of Berlin, Germany. The head foreign affairs officials of the three nations also started a series of conferences.