What did the declassified documents reveal?

This is a declassified Central Intelligence Agency intelligence report on the Sino‑Soviet struggle within the world Communist movement, covering the period from the fall of Khrushchev in October 1964 through May 1967. The document was released in May 2007 and is catalogued in the public archives of the Central Intelligence Agency, accessible through the Black Vault collection. The record was made public through a Freedom of Information Act request. The declassification authority was the Director of Central Intelligence, and the release date is listed as May 2007. The full text is available at documents2.theblackvault.com under the identifier CI01830. Approved for release. Date: May 2007. Directorate of Intelligence. Intelligence Report. The Sino‑Soviet Struggle in the World Communist Movement Since Khrushchev’s Fall (Part 3). Reference Title: ESAU XXXVI. Top Secret. TS No. 190151/67B. Warning: This document contains information affecting the national defense of the United States. The 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 the emphasis of CPSU policy in the first six months after Khrushchev’s fall toward a more vigorous appeal to the interests of all those parties—such as the North Vietnamese—hitherto inclined toward the Chinese and having a special, 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 militant 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 Mao’s 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…

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.

Case File · ARCHIVE-680Declassified

Filed AUG 14 · 2026Runtime 1 min

Central Intelligence Agency Intelligence Report On The Sino‑soviet Struggle

U.S. public record · FOIAUpdated August 14, 2026

cold-war

◆ BLUF — The short version

This is a declassified Central Intelligence Agency intelligence report on the Sino‑Soviet struggle within the world Communist movement, covering the period from the fall of Khrushchev in October 1964 through May 1967. The document was released in May 2007 and is catalogued in the public archives of the Central Intelligence Agency, accessible through the Black Vault collection.

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

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What was Central Intelligence Agency Intelligence Report On The Sino‑soviet Struggle about?: This is a declassified Central Intelligence Agency intelligence report on the Sino‑Soviet struggle within the world Communist movement, covering the period from the fall of Khrushchev in October 1964 through May 1967. The document was released in May 2007 and is catalogued in the public archives of the Central Intelligence Agency, accessible through the Black Vault collection.
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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Central Intelligence Agency Intelligence Report On The Sino‑soviet Struggle

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