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Digital Archive International History Declassified

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  • October 02, 1944

    Letter from Boris Merkulov (USSR People’s Commissar for State Security) to Lavrenty Beria (USSR People’s Commissar for Internal Affairs)

    Letter from Merkulov to Beria regarding the KGB’s efforts to obtain information about the creation of the atomic bomb and specifically about the related problems with uranium

  • November 28, 1945

    The Interrogation of Niels Bohr

    At the end of October 1945 two NDVD employees of the “S” Department for atomic intelligence activities were sent to Denmark to establish contact and speak with Niels Bohr. They managed to meet Bohr at his institute twice, on 14 and 16 November 1945, and obtained answers to 22 questions on constructing a nuclear reactor and the atomic bomb.

  • October 29, 1956

    Telegram from KGB Chief Serov reporting on the situation in Hungary

    KGB Chief Serov report to Mikoyan and Suslov regarding activity by the insurgents in Hungary

  • September 01, 1958

    KGB Request for Materials in Connection of a Possible Meeting of the Four Great Powers in Geneva

  • January 10, 1959

    Letter from Bulgarian State Security Directorate II on Information Requested from the KGB

  • April 27, 1960

    Letter from Chairman of the USSR Committee of State Security A. Shelepin to Deputy Chairman and Minister of Internal Affairs of Czechoslovakia Rudolf Barák

    The USSR Committee of State Security agrees to send a delegation to a conference of leaders of other socialist security services to be held in Prague.

  • June 07, 1960

    Note from KGB Chairman A. Shelepin to Central Committee of the Communist Party of the Soviet Union, Regarding Plan to Discredit CIA Chief Dulles

    Shelepin sets out a plan to discredit CIA chief Allen Dulles.

  • July 08, 1961

    Letter from Chairman of the USSR Committee of State Security A. Shelepin to Minister of Internal Affairs of Czechoslovakia Lubomír Štrougal

    The Soviet Committee of State Security invites a delegation of senior officials from Czechoslovakian Ministry of Internal Affairs to visit Moscow.

  • June 02, 1962

    Agreement about Cooperation between the Committee for State Security under the USSR Council of Ministers and the Ministry of Internal Affairs of the Czechoslovak Socialist Republic

    The two delegations outline ways to unite their security apparatuses in the fight against subversive activity. Bilateral measures to be taken include the implementation of material and informational exchanges on hostile individuals and the sharing of news on the form and manner of unfriendly activity.

  • June 12, 1962

    Record of a Conversation about the Results of Cooperation and Further Coordination of Intelligence and Counterintelligence Activities between the MVD of the Czechoslovak Socialist Republic and the KGB under the USSR Council of Ministers

    Discussion about potential exchange of intelligence and assistance between the two intelligence agencies.

  • December 02, 1964

    Stasi Report on Meetings with the KGB, 30 November-1 December 1964

    Meetings between KGB Chairman Semichastny and East German Minister for State Security Mielke. Topics of discussion include Lyndon B. Johnson's recent election in the United States, Khrushchev's ouster from the Kremlin, Sino-Soviet relation, and Khrushchev's son-in-law Alexei Adzhubei.

  • March 26, 1965

    Record of a Conversation between Representatives of the USSR Committee of State Security and the Ministry of Internal Affairs of the Czechoslovak Socialist Republic Concerning Questions of the Cooperation of the Covert Inspection of Mail Services

    The CSSR and the USSR intelligence services agree to share information regarding suspicious mail correspondence.

  • July 04, 1965

    Summary Record of the Discussions CSSR MVD and KGB Delegations

    This report summarizes extended cooperation measures undertaken by representatives of the Czechoslovak and Soviet security agencies. Methods to increase cooperation include the exchange of operational and scientific technology and enhanced coordination between operational agencies to combat espionage and ideological diversion.

  • June 16, 1966

    Plan of the Reception of a CSSR MVD Delegation Arriving in Moscow on 21 June 1966

    Agenda and time table for the delegation's visit.

  • July 29, 1967

    Letter from the Chairman of the KGB Andropov to the Minister of Internal Affairs of the CSSR Kudrna

    Appointment of Soviet officials for discussion of the procedure for joint border monitoring of trains and passengers crossing the Soviet-Czechoslovak border.

  • November 05, 1968

    Report Relayed by Andropov to the CPSU Central Committee, 'Students and the Events in Czechoslovakia'

    KGB Chairman Yuri Andropov presents a secret, 33-page report to the CPSU Central Committee about the mood of Soviet college students. The report had been completed sometime before the Soviet invasion of Czechoslovakia, and had been circulating within the KGB. It is not clear precisely who drafted the report, but Andropov’s cover memorandum and the report itself indicate that the author was a college student in Odessa who had recently finished his degree.

  • November 13, 1969

    Stasi Note on Meeting with KGB Officials, 13 November 1969

    Meeting between KGB First Deputy S. K. Zvigun (Tsvigun) and East German Minister for State Security Mielke. They discuss anti-Soviet "ideological subversion" on the part of the United States and other enemies, as well as Soviet dissidents such as Alexander Solzhenitsyn and Andrei Sakharov.

  • January 25, 1971

    KGB Memo of Council Minister of the USSR, Y. Andropov, 25 January 1971

    Includes memo of 20 January 1971.

  • July 08, 1971

    KGB Request for Research on a New Method of Dr. Lozanov in Bulgaria

  • December 22, 1971

    Summary of protocol on exchanges of informational experience between the interior ministries of the Soviet Union and Czechoslovak Republic to occur in 1972

    This document outlines methods to improve the exchange of informational experience between the Soviet Union and CSSR in 1972. Strategies to increase cooperation include the development and stabilization of friendly relations, the exchange of government publications and the organization of recreational activities between the two countries, among many other ways.