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September 16, 1986

Second Report on Radiation Levels in Lithuania Following the Chernobyl Accident

In a follow up to their earlier May report, the Lithuanian Academy of Science summarizes levels of radiation detected between April and August of 1986 following the Chernobyl nuclear accident. Atmospheric tests showed a sharp rise in radiation levels in late April, up to 50 times higher than Soviet standards for safe levels of exposure. Levels dropped off in May, with occasional spikes. The report also summarizes tests of food products grown in Lithuania or imported from other Soviet Republics.

May 23, 1986

Preliminary Report on Radiation Levels in Lithuania Following the Chernobyl Accident

Report from the Lithuanian Academy of Sciences on radiation levels detected in May 1986 following the Chernobyl nuclear accident. Both atmospheric tests and tests of food products like milk and honey showed elevated levels of radiation and radioactive isotopes which were “dangerous to the health of the population.”

April 26, 1986

A.N. Makukhin, 'Concerning the accident at unit Nº 4of the Chernobyl AEhS [Atomic Power Station]'

The Soviet Minister of Power and Electrification reports on an explosion and fire at the Chernobyl Atomic Power Station in Ukraine. The Soviet Ministry of Heath has determined that "it is not required to take special measures, including the evacuation of the population from the city."

February 21, 1979

Yu. Andropov, 'Shortcomings in the Construction of the Chernobyl AEhS [Atomic Power Station]'

Yuri Andropov, then Chairman of the KGB, reports concerns about the Chernobyl nuclear plant. Serious flaws in the construction "might lead to failures and accidents."

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.

March 22, 1957

Memorandum from the Soviet Government to the Chinese Government on the Arms Reduction Issue

A memorandum from the Soviet government to the Chinese updating them on the arms reduction talks, a key component of which was a prohibition of the testing of atomic and hydrogen weapons. The Soviet proposal also called for reductions in conventional weapons and the prohibition of installing nuclear weapons outside their territorial borders.

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.

April 25, 1947

Protocol No. 36 of a Meeting of the Special Committee under the Council of Ministers of the Soviet Union (Excerpt)

Special dossier refining aspects of the geological prospecting party to North Korea, to extract "rare elements".

April 12, 1948

Protocol No. 61 of a Meeting of the Special Committee under the Council of Ministers of the USSR (Excerpt)

Memorandum of the Special Committee of the CC CPSU postponing the geological prospecting for uranium in North Korea.

April 15, 1963

Conversation between Soviet Ambassador in North Korea Vasily Moskovsky and Czechoslovak Ambassador Moravec

A North Korean colonel suggests that the Soviet Union should give advanced military technology to North Korea.

Pagination