U.S. Vice President Richard M. Nixon cutting ceremonial ribbon at the opening of the American Exhibition at Sokolniki Park, as Soviet Premier Nikita Khrushchev, Soviet First Deputy Premier Frol Kozlov, and U.S. Ambassador to the Soviet Union Llewellyn Tho

U.S. Vice President Richard M. Nixon cutting ceremonial ribbon at the opening of the American Exhibition at Sokolniki Park, as Soviet Premier Nikita Khrushchev, Soviet First Deputy Premier Frol Kozlov, and U.S. Ambassador to the Soviet Union Llewellyn Thompson look on, Moscow, Soviet Union, White House Photo Office, July 27, 1959. (Photo by: Circa Images/GHI/Universal History Archive/Universal Images Group via Getty Images)