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Digital Archive International History Declassified

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  • July 04, 1946

    Report from DS Chief in Sliven Region on Disclosed Military Conspiracy

    A report on the investigation of a political conspiracy, said to be organized by Metodiy Chavdarov, a colonel at the Sliven garrison. The arrested colonel and his accomplices allegedly conspired to overthrow the Fatherland Front government, once the Soviet troops leave the country.

  • August 22, 1946

    Report from DS Chief in Stara Zagora Region on Arrests of Military

    A memo to the head of the People’s ''Militsiya'' with information on the on-going purges in the Bulgarian military. Purportedly pro-fascist officers have established a broad network of conspirators committed to overthrowing the Fatherland Front government.

  • October 31, 1946

    Report from Bulgarian Intelligence on the Situation in Austria, Switzerland, Italy, and France

    A report on the political climate in Western Europe and the activities of the Bulgarian communities abroad. The author concludes that since a new war seems imminent, the diplomatic and intelligence apparatus needs to be overhauled and old cadres dissmissed.

  • February 10, 1949

    Proposal for Counter-Intelligence Operation ''Traitor'' Against Yugoslav Agents

    A proposal for the measures against the Yugoslav agents and their collaborators who, on Tito’s behalf, were allegedly working for the annexation of the Pirin Region by the Yugoslav Federation.

  • April 26, 1949

    Secret Daily Information Bulletin for the Prime Minister Georgi Dimitrov, communicated from Sofia to Moscow

    The Ministry of Foreign Affairs and the Ministry of the Internal Affairs create an informational bulletin on the domestic political developments.

  • April 01, 1951

    Plans for Counterintelligence Work in the Nessebar Military Site

    Measures for improving the counterintelligence work at the ''Nessebar'' military site.

  • January 21, 1953

    VGU Information on Activities of the Swiss, Belgian, Dutch and Swedish Intelligences Services

    Report on the intelligence activities of some Western governments in Sofia. The report identifies the main areas of interest of the foreign intelligence services, names of some agents and names of collaborators.

  • February 19, 1954

    Plan GELENA - Agent-Operational Measures on German Intelligence

    Detailed plan and timetable for the activities to expose intelligence operatives who have previously worked for Gestapo.

  • March 25, 1955

    Information on Turkish Intelligence Interest on the Uranium Mine Buhovo

    Turkish intelligence agents are trying to gather information on the uranium mining in southwest Bulgaria. They believe that the extracted deposits are shipped to the Soviet Union for further processing and production of nuclear bombs.

  • March 29, 1955

    Bulgarian Politburo Resolution B Regarding DS Intelligence Directorate Work

    BCP CC’s First Secretary, Vulko Chervenkov, approves Interior Minister Georgi Tsankov’s recommendations for improving the performance of the intelligence and counter-intelligence services.

  • October 13, 1955

    CC BCP Politburo Resolution "B" Protocol for Cooperation between the Ministry of Internal Affairs and Stasi

    The CC BCP Politburo approves the protocol for cooperation between the Ministry of Internal Affairs and the East German Ministry for State Security (Stasi), agreed upon at a September meeting in Berlin.

  • June 26, 1956

    Minutes of a Bulgarian Politburo Meeting for the Investigation of the Political Processes of 06/26/1956

    Georgi Tsankov testifies before a BCP CC Commission for the Investigation of the Political Trials [against opposition leaders]. He emphasizes the role of the Soviet advisor to the Bulgarian Ministry of Internal Affairs, Gen. Filatov, regarding the human rights abuse of detainees. Vulko Chervenkov talks about Filatov’s disregard of Politburo’s policy decisions, as well as about his eventual withdraw to Moscow by Stalin.

  • November 01, 1956

    Bulgarian Military Intelligence Information on the Situation in Hungary and Poland

    This intelligence report discusses the domestic political developments in Poland after the ascent of Wladyslaw Gomulka to the top of the Polish United Workers' Party (PZPR).The events surrounding the Hungarian Revolution of 1956 are also mentioned.

  • 1957

    Letter from G. Kumbiliev to Warsaw Regarding US Citizen Contacts with Poland

    A letter summarizing the activity of US journalist Oscar Edward Boleen during his stay in Bulgaria. The author of the letter expresses the assumption that Boleen is an agent under cover who is posing as a correspondent of the US magazine "Made in Europe," while being associated with the US intelligence service.

  • January 08, 1957

    Information on Turkish and Greek Intelligence Services Activity Against Bulgaria in 1956

    A report focused on the Turkish and Greek intelligence activities in Bulgaria. The report outlines the major areas of interest – the Bulgarian military infrastructure, economic development, and the Communist party leadership. The report also talks about the role of the Turkish diplomatic representatives in encouraging repatriation of Turkish-Bulgarians to Turkey.

  • March 12, 1958

    Report from Gen. M. Spasov on Multilateral Security Meeting in Bucharest

    A report by the Deputy Minister of Internal Affairs, Mircho Spasov, on the Ministerial Meeting in Bucharest of delegations from Romania, Bulgaria, Czechoslovakia, Hungary, and the Soviet Union. The meeting called for focusing on preventing subversive acts of Western intelligence, improving exchange of information, and conducting joint operations.

  • July 21, 1958

    Special Information from Gen. I. Mihailov Based on a RUMNO Report on the Situation in the Middle East

    Bulgarian intelligence report on the developments during the 1958 Lebanon crisis.

  • March 23, 1959

    Report on Visit to Romania on Counterintelligence Issues

    A report on the visit that had to improve exchange of information between the two intelligence agencies.

  • June 17, 1959

    Information on French Intelligence Activity Against Bulgaria

    The memo focuses on the operations of the French intelligence services in Bulgaria during the late 1950s.

  • June 17, 1959

    Information on Foreign Counterintelligence Agents Network Abroad

    The report covers the work of Bulgarian intelligence operatives in the West for the last 18 months. Includes statistics by country.