What did the declassified documents reveal?

The CIA’s Directorate of Intelligence produced an intelligence report titled “The Sino‑Soviet Struggle in the World Communist Movement Since Khrushchev’s Fall, Part Two,” dated September 1967. It is notable because it offers a detailed internal assessment of the evolving relationship between the Soviet Communist Party and the Chinese Communist Party during a critical period of the Cold War. The document was declassified and released to the public in May 2007. It was posted on The Black Vault website, which hosts the full text of the report. The declassification authority was the CIA’s Director of Central Intelligence, and the release was made under the agency’s standard declassification procedures for historical intelligence records. Approved for release, date: May 2007. Directorate of Intelligence, Central Intelligence Agency. Intelligence Report – Top‑Secret, code word excised. The report begins: “This working paper of the Directorate of Intelligence Research Staff examines in detail the evolving relationship of the Soviet and Chinese Communist parties to the world Communist movement from the time of Khrushchev’s fall in October 1964 through the end of May 1967. The paper attempts to describe the principal public and private dealings between the CPSU and the CCP throughout this period; the dealings of each of the two antagonists with the most important parties of the world movement; the dealings of many of those other parties with each other, and the effect of their interests on the policies of the Soviet and Chinese parties; the role played by the evolution of Soviet policy toward the United States in the Sino‑Soviet struggle for influence over the Communist movement; and the role played by the internal life of the Soviet and Chinese parties on the course the Sino‑Soviet struggle has followed since Khrushchev’s fall.” The paper is organized in three parts, published separately as ESAU XXXIV, XXXV, and XXXVI. Part I describes the shift in CPSU policy in the first six months after Khrushchev’s fall toward a more vigorous appeal to parties such as the North Vietnamese, previously inclined toward the Chinese and having a private vested interest in militant struggle against the United States. Part II traces the growing CPSU success in 1965 and early 1966 in neutralizing these former supporters of the Chinese by advocating “unity of action” in support of North Vietnam against the United States and by capitalizing on Mao Zedong’s refusal to cooperate and his arrogant attitude toward all who would not obey him completely. Part III discusses the flow of events beginning with Mao’s refusal to attend the twenty‑third CPSU Congress in the spring of 1966 and his simultaneous surfacing of the gigantic purge known as the “Great Cultural Revolution,” describes the subsequent rapid decay of Sino‑Soviet state relations and the resumption of direct Soviet attacks on Mao to take advantage of China’s increasing isolation, and concludes with an appraisal of the…

Why was this case declassified?

This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

CIA The Sino‑soviet Struggle In The World Communist Movement Since Khrushchev

◆ BLUF — The short version

The CIA’s Directorate of Intelligence produced an intelligence report titled “The Sino‑Soviet Struggle in the World Communist Movement Since Khrushchev’s Fall, Part Two,” dated September 1967. It is notable because it offers a detailed internal assessment of the evolving relationship between the Soviet Communist Party and the Chinese Communist Party during a critical period of the Cold War.

Date: AUG 14 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was CIA The Sino‑soviet Struggle In The World Communist Movement Since Khrushchev about?: The CIA’s Directorate of Intelligence produced an intelligence report titled “The Sino‑Soviet Struggle in the World Communist Movement Since Khrushchev’s Fall, Part Two,” dated September 1967. It is notable because it offers a detailed internal assessment of the evolving relationship between the Soviet Communist Party and the Chinese Communist Party during a critical period of the Cold War.
Why was this case declassified?: This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. Storyflo narrates it directly from the public release.

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