A Time For Peace (1973)

"This film documents President Nixon's 1972 trips to the People's Republic of China, the Soviet Union, Iran, Poland, and Austria. Highlights include the exchange of toasts by Mr. Nixon and Chinese Premier Zhou Enlai and the signing of five major agreements by President Nixon and Russian leaders concerning cooperation in environmental protection, medicine, space, science and technology, and the use of the seas and other commercial relations" (US National Archives).