August 11, 1947: Soviets consent in principle to concept of quotas.
September 11, 1947: Second Report of UNAEC. Outlines powers, functions, and limitations thereon of any international agency in implementing effective control plan.
May 17, 1948: Third Report of UNAEC. Reports impasse because Soviets refuse to accept majority plan and persist in refusing to put forward effective proposals of their own. Concludes that further work in UNAEC is fruitless until Soviet cooperation in broader fields of policy is secured. Recommends that Commission’s work be suspended until sponsoring powers find that basis for agreement exists.
September 25, 1948: Soviets modify position by asking that conventions for prohibition of atomic weapons and for international control go into effect simultaneously.
November 4, 1948: By vote of 40 to 6, UN General Assembly endorses majority control plan. Calls upon UNAEC to continue work and requests that sponsoring powers consult to explore possible basis of agreement.
August 9, 1949: First meeting of sponsoring powers of UNAEC.
September 23, 1949: President Truman’s announcement of Soviet atomic explosion.
October 25, 1949: Canada, China, France, United Kingdom, United States statement reveals Soviet attitude still prevents agreement.
November 23, 1949: General Assembly resolution calls upon sponsoring powers to continue consultations.
November 23, 1949: Soviets reverse position on quotas, abandoning previous assent in principle.