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Digital Archive International History Declassified

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  • May 09, 1940

    Memorandum to the Politburo of the Central Committee of the CPSU on Troop Strength Orders for the Red Army, 9 May 1940

    Memorandum to the Politburo of the Central Committee of the CPSU on Troop strength orders for the Red Army, May 9, 1940. Proposals for strengthening of Soviet armed forces.

  • May 29, 1940

    The Chargé in the Soviet Union (Thurston) to the Secretary of State

    The Soviet Union threatens intervention in Lithuania due to the alleged "disappearance of men from Soviet military garrison established in Lithuania."

  • May 30, 1940

    The Minister in Latvia (Wiley) to the Secretary of State

    Officials express concern about the Soviet Union's aggressive actions toward Lithuania.

  • June 07, 1940

    The Minister in Latvia (Wiley) to the Secretary of State

    Lithuanian, Latvian, and Estonian officials all anticipate that the Soviet Union will take measure to control the Baltic states.

  • June 09, 1940

    Concerning Funding for the Red Army

    The Soviet Politburo directs the NKO to approve over 9 million rubles in hard currency expenses for the 5th Directorate of the Red Army for 1940.

  • June 15, 1940

    The Chargé in the Soviet Union (Thurston) to the Secretary of State

    The Lithuanian government has accepted an ultimatum from the Soviet Union demanding that officials be brought to trial, the number of Soviet troops increased, and the Lithuanian government reorganized.

  • June 16, 1940

    The Chargé in Estonia (Leonard) to the Secretary of State

    The Soviet Union has demanded that Estonia and Latvia allow Soviet troops to enter both countries.

  • July 23, 1940

    Welles Declaration, Department of State Press Release, 'Statement by the Acting Secretary of State, the Honorable Sumner Welles'

    Later referred to as the "Welles Declaration," this statement by acting Secretary of State Sumner Welles condemned the 1940 Soviet occupation of the Baltic states and set United States policy of refusing to recognize the new Soviet governments of Estonia, Latvia, and Lithuania.

  • October, 1940

    Technical Proposal of F. Lange, V. Maslov, and V. Shpinel, 'Fission of Uranium Isotopes by Using Method of Coriolis Acceleration'

    Kharkov Institute scientists proposed in this document the concrete steps to build a nuclear weapon. The document demonstrates that Ukrainian physicists understood how to receive weapons grade uranium and elaborated concrete technical proposals to achieve this goal through uranium enrichment in centrifuge.

  • October 17, 1940

    Claim for an Invention from V. Maslov and V. Shpinel, 'About Using of Uranium as an Explosive and Toxic Agent'

    In this letter two nuclear scientists from UIPhT described the construction of the nuclear bomb and proposed to start activities in producing of the nuclear arsenal and make these activities secret. Two Ukrainian physicists were first Soviet scientists who revealed the method of producing a nuclear weapon (of course they did not know about the similar inventions of western scientists which were made at the same time under great secrecy).

  • October 26, 1940

    Excerpt on Xinjiang from Minutes No. 21 of the VKP(b) CC Politburo Meetings

    The Soviet Politburo charges Narkomtsvetmet with concluding a 50 year concession agreement for the right to explore and exploit mineral deposits in Xinjiang and establishes a Directorate of Concessions for Exploration, Prospecting, and Exploitation of the Deposits of Tin in Xinjiang.

  • January, 1941

    Claim for an Invention from F. Lange and V. Maslov, 'Thermocirculation centrifuge'

    This document’s proposal about centrifuge received positive assessments from the leading Soviet academicians in Moscow.

  • January 29, 1941

    Notes from the Meeting between Comrade Stalin and Economists Concerning Questions in Political Economy, 29 January 1941

    Notes from L.A. Leont’ev's January 1941 meeting with Stalin, regarding drafts of two commissioned textbooks on political economy. Stalin gives his views on "planning", "wages", "fascism", and other issues.

  • February, 1941

    Conclusion of National Institute of Chemical Studies of Soviet National Committee of Defence on Invention of UIPhT Fellows Which Was Sent to Agency of Military Chemical Defense

    In this document, leading Soviet scientists criticize the idea of Kharkov physicists to use Uranium in military goals, because they do not believe it is possible to realize nuclear fission in the current practical conditions faced. The Soviet National Committee of Defence received these skeptical assessments in 1941 and decided not to develop the military nuclear program.

  • February, 1941

    Letter from V.A. Maslov to People’s Commissar of Defence of USSR, 'About Necessity to Organize Activities in Using of Atomic Energy in the Military Goals'

    In this letter from Victor Maslov to People's Commisar of Defence, Marshal Timoshenko, Maslov makes one final attempt to persuade Soviet leadership to start a military nuclear program, despite the strong criticism from leading Moscow scientists toward the idea.

  • March 07, 1941

    Concerning the Sin'tszyanolovo Concession in Xinjiang

    The Soviet Politburo approves the Narkomtsvetmet's 1941 work plan for the Sin'tszyanolovo concession and outlines the tasks related to the concession for which the NKVD, NKO, Civil Air Fleet, Narkomtsvetmet, and the Council of Ministers are respectively responsible.

  • March 07, 1941

    Work Plan of the Narkomtsvetmet Sin'tszysnolovo Concession for 1941

    The Narkomtsvetmet (People's Commissariat of Nonferrous Metallurgy) outlines the work plan for the Sin'tszyanolovo concession in 1941, including exploration work for tin and tungsten in the Bortala River basin and conducting a geological survey and prospecting for mineral deposits in the Altai, Kashgar, Ghulja, and Hotan districts.

  • April 19, 1941

    Excerpt on Xinjiang from Minutes of the VKP(b) CC Politburo Meetings

    The Politburo issued 5.25 million rubles to support the NKO's operations in the Mongolian People's Republic and Xinjiang, the independent NKVD rifle battalion in Xinjiang, and the topographic detachment in Xinjiang until the end of 1941.

  • June, 1941

    Report from the People’s Committee of Internal Affairs to the Central Committee of the Hungarian Communist Party, about Agent 'Volodya' (Imre Nagy)

    Sverdlov provides a brief overview of agent "Volodya" (Imre Nagy) and his work.

  • June 25, 1941

    Statement by the Latvian Minister (Bilmanis)

    Statement by the Latvian Ambassador to the United States on the Soviet occupation of Latvia.