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Digital Archive International History Declassified

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  • May 18, 1955

    Minutes of the Meetings on 22 and 25 April 1955 at the French Ministry of Foreign Affairs under the direction of Mr. Massigli

    This collection of minutes details a dicussion on the possiblity of an extension and futher integration of European politics and economies.

  • May 26, 1955

    Proposal Concerning the Testing of an Experimental System for the Verification of the Casing Design

    Proposal to develop a test warhead using radiation implosion to induce a thermonuclear reaction. The proposal emphasizes that the device will be compatible with the existing R-7 ICBM delivery system.

  • June 10, 1955

    Central Intelligence Agency Information Report, 'The Development of an Ultra-Centrifuge at the Nuclear Institute of Manfred von Ardenne in Sinop'

    CIA report describing the construction process of ultra-centrifuges in the Soviet nuclear institute of Sinop and the personnel working there.

  • June 30, 1955

    Letter from Iu. B. Khariton to N. I. Pavlov Regarding the Testing of a Nuclear Weapon at Object 700

    The letter describes geographic, safety, and technical considerations taken into account when selecting a test site for the RDS-37 hydrogen bomb. Specifically, the letter highlights that a testing field should be chosen based on the existence of population centers, the terrain, and the main wind patterns.

  • July 01, 1955

    Report by the Commission on the Review of the Scientific Principles of Atomic Compression and the Data on the Experimental Device RDS-37

    A report on the design of the RDS-37 nuclear device and the implications of radiation implosion induced nuclear fusion on weapons design.

  • July 17, 1955

    Joint Communiqué (Draft), Proposed by Premier Zhou to British Charge d’Affaires Con O’Neill

    China's draft communique proposes that the US and China elevate their talks in Geneva to the ambassadorial level.

  • August 05, 1955

    Note of M. V. Khrunichev, V. M. Riabikov, and S. P. Korolev to N. S. Khrushchev and N. A. Bulganin On Work to Create an Artificial Earth Satellite

    Requesting permission to launch a satellite during the International Geophysical Year

  • August 08, 1955

    CPSU Central Committee Presidium Decree, 'On the Creation of an Artificial Satellite of the Earth'

    Presidium (Politburo) decree approving the launch of a satellite during the International Geophysical Year

  • August 24, 1955

    Report by N.M Emanuel, 'Regarding the Nature of the Fallout Path of the Hydrogen Bomb Detonated on 1 March 1954 at Bikini [Atoll]'

    Report by N.M. Emanuel on the U.S. Castle Bravo test in the Marshall Islands. The report surmises from fallout data that the bomb used a fission-fusion-fission design, and that the bomb contained a larger than normal amount of fissile material which induced a thermonuclear reaction.

  • September 07, 1955

    Statute of the Unified Command of the Member States of the Warsaw Treaty

    The responsibilities and duties of the officials of the Warsaw Treaty Armed Forces Joint Command are outlined.

  • January 01, 1956

    Twenty-First Session of the United Nations General Assembly, 'Agenda Items Relating to Disarmament'

    Summary of the Twenty-First Session of the United Nations General Assembly's agenda on disarmament

  • 1956

    South African Cabinet Memorandum, Research in the Field of Nuclear Energy and Exchanging Information with Friendly Nations

    South African Cabinet memorandum discussing the potential for nuclear cooperation and technology assistance from various friendly countries, including the United States, Great Britain, and the Netherlands.

  • January 15, 1956

    Request by the Chinese leadership to the Soviet Leadership for Help in Establishing a Chinese Nuclear Program

    Request by Chinese leaders to the Soviet leadership for technical and scientific aid in establishing a nuclear program in the People's Republic of China, including exchange programs for Chinese scientists, building of scientific labs in China, and providing specialized education for Chinese students.

  • January 20, 1956

    Journal of Soviet Ambassador to the DPRK V. I. Ivanov for 20 January 1956

    Kim Il Sung tells Ivanov that he is interested in having Korean scientists work in nuclear research. Chinese Ambassador Pang Zili informs Ivanov about China’s position on the Swedish-Swiss Neutral Commission.

  • January 30, 1956

    USSR Council of Ministers Decree, 'On the Creation of ‘Object D'

    Council of Ministers decree officially approving the launch of a satellite during the International Geophysical Year

  • February 02, 1956

    Note Containing an Assessment of the Parameters of a Device with Yields of 150 Megatons and One Billion Tons of TNT

    A report on the material requirements and design specifications of nuclear devices with yields of 150MT and one milliard tons TNT between Soviet officials. Specifically, the use of lithium-6 deuteride and natural uranium in varying degrees is discussed.

  • February 28, 1956

    Draft minutes from Conference of Foreign Ministers of the ECSC on 11 and 12 February 1956

    These minutes include discussions of a new system to bring widespread technical renewal of European industry.

  • March 01, 1956

    Sheikh Mohammad al Ashmar

  • March 01, 1956

    Telegram, from Foreign Secretary to Indian Embassies, 'The Question of Antarctica'

    India argues that atomic experiments and explosions in Antarctica may have very harmful and the international community’s debate about Antarctica is appropriate.

  • March 01, 1956

    Message from Buenos Aires to Ministry of External Affairs, External Publicity Division, 'Future of Antarctica - India’s Reported Move Criticized'

    Newspapers in Chile published editorials which contend that Chile’s rights in Antarctic are undisputed and do not admit of any doubt, be it juridical or political