The Mitrokhin Archive refers to a collection of handwritten notes about secret KGB operations spanning the period between the 1930s and 1980s made by KGB archivist Vasili Mitrokhin which he shared with the British intelligence in the early 1990s. [1] .

From 1972 to 1984, the archivist copied hundreds of thousands of files which revealed how the KGB approached its intelligence-gathering operations and handled its extensive networks of spies...

Mar 19, 2025 · The long-awaited release of tens of thousands of files on the assassination of President John F. Kennedy Tuesday night sparked a desperate search for new clues in the shocking 62-year-old crime —...

Jul 7, 2014 · A stash of 2,000 documents smuggled out of the former USSR is now available for viewing at Cambridge University.

Jul 7, 2014 · Over 20 years after being smuggled out of Russia, a trove of KGB documents are being opened up to the public for the first time. The leaked documents include thousands of files and represent...

Feb 13, 2024 · 1. KGB in Europe and the West -- 2. The KGB and the world Includes bibliographical references and index

Sep 16, 2019 · 28 documents about the Chernobyl nuclear accident from the archives of the Ukrainian KGB now online at DigitalArchive.org.

Jul 7, 2014 · KGB files from the famous Mitrokhin Archive – described by the FBI as ‘the most complete and extensive intelligence ever received from any source’ – will today open to the public for the first time.

From 1972 to 1984, Major Vasiliy Mitrokhin was a senior archivist in the KGB’s foreign intelligence archive – with unlimited access to hundreds of thousands of files from a global network of spies and intelligence gathering operations.

The collection contains reports ranging from 1971 to 1991 prepared for and by a variety of Soviet and Ukrainian government agencies, such as the KGB, documenting and detailing the most important developments in the wake of the disaster, but also internal reports and investigations on the its various causes.