August 6, 1945: Hiroshima.
October 3, 1945: President’s message to Congress outlines necessity for international control of atomic energy and proposes conversations with Canada and United Kingdom.
November 15, 1945: Three-nation agreed declaration on atomic energy (Truman-Attlee-King declaration). Calls for United Nations Commission to make proposals for international control plan. Proposals should provide safeguards “by way of inspection and other means.” (Wherever used in the following pages, italics are supplied.)
December 27, 1945: U.S.-U.K.-U.S.S.R. Foreign Minister communiqué on results of Moscow Conference. Proposes that Canada, China, and France join with Big Three in sponsoring resolution calling for United Nations Atomic Energy Commission with terms of reference stipulated in Truman-Attlee-King declaration.
January 24, 1946: General Assembly resolution establishing United Nations Commission on Atomic Energy. Composed of members of Security Council plus Canada.
March 28, 1946: Acheson-Lilienthal report. Urges that mines and “dangerous” atomic-energy facilities be put under international ownership and management of Atomic Development Authority. Additional safeguards in the form of inspection. Nations to operate “safe” plants under ADA license. Plants to be distributed among nations in keeping with strategic balance. Control plan to be implemented by stages.
June 14, 1946: Baruch proposals to United Nations. Closely follow Acheson-Lilienthal recommendations. Ask “condign punishment,” for violations, and request agreement that UN Charter veto clause not apply to sanctions for stipulated violations of atomic-energy treaty.
June 19, 1946: Soviet Union counterproposals. Demand prohibition of atomic weapons and destruction of existing stockpiles before international control plan is negotiated. Soviet proposals provide no safeguards against evasion.
December 31, 1946: First Report of UNAEC. Incorporates essential features of Baruch proposals into statement of principles for plan for international control of atomic energy. Adopted 10 to 0, with U.S.S.R. and Poland abstaining.
June 11, 1947: U.S.S.R. control proposals. Soviets assent to periodic inspection, but this would apply only to declared plants.