What did the declassified documents reveal?

Declassified presents an intelligence dispatch from the Department of State, dated October third, nineteen-fifty, concerning a warning from Chinese Foreign Minister Chou En-lai regarding Chinese intervention in the Korean War. This record is available at archive.org. This document, identified as CI Zero Zero Five Hundred, was declassified by the Central Intelligence Agency and released to the public under the Freedom of Information Act. It was made available on archive.org by The Black Vault. The document is an incoming telegram to the Department of State from London, received October third, nineteen-fifty, at four twenty-three P.M. It is addressed to the Secretary of State, numbered one nine three four, and repeated N-I-A-C-T Moscow sixty-seven and N-I-A-C-T New Delhi forty-six. The body of the telegram reads: “Moscow’s seven ninety-two, September twenty-ninth to Department, repeated London one forty-two, Delhi thirty-nine. Foreign Office has just informed Embassy of receipt of telegram dated October third from Peiping stating that on October third Foreign Minister Chou En-lai called in Indian Ambassador Panikkar and informed him that if U-N Armed Forces crossed thirty-eighth parallel China would send troops across frontier to participate in defense North Korea. He said this action would not take place if only South Koreans crossed parallel. Signed, Holmes. E-O-C three V-H V-R.” The bottom of the document bears the note, "Reproduction of this message is prohibited." The Black Vault, which hosts this document, provides context noting that this cable reports a direct warning from China through diplomatic channels regarding its intent to intervene in the Korean War if U-N forces advanced beyond the thirty-eighth parallel. This warning was communicated by Chou En-lai to Indian Ambassador K. M. Panikkar on October third, nineteen-fifty. This is what the public record looks like at its most ordinary. Find more at storyflo.com and archive.org/details/us-china-intel-CI00500.

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-004Declassified

Filed NOV 2 · 2026Runtime 1 min

CIA Declassified Presents An Intelligence Dispatch From The Department Of State

U.S. public record · FOIAUpdated November 2, 2026

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Declassified presents an intelligence dispatch from the Department of State, dated October third, nineteen-fifty, concerning a warning from Chinese Foreign Minister Chou En-lai regarding Chinese intervention in the Korean War. org. This document, identified as CI Zero Zero Five Hundred, was declassified by the Central Intelligence Agency and released to the public under the Freedom of Information Act.

Date: NOV 2 · 2026
Release: Declassified · U.S. public record (FOIA)
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Declassified presents an intelligence dispatch from the Department of State, dated October third, nineteen-fifty, concerning a warning from Chinese Foreign Minister Chou En-lai regarding Chinese intervention in the Korean War. This record is available at archive.org. This document, identified as CI…

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What was CIA Declassified Presents An Intelligence Dispatch From The Department Of State about?: Declassified presents an intelligence dispatch from the Department of State, dated October third, nineteen-fifty, concerning a warning from Chinese Foreign Minister Chou En-lai regarding Chinese intervention in the Korean War. org. This document, identified as CI Zero Zero Five Hundred, was declassified by the Central Intelligence Agency and released to the public under the Freedom of Information Act.
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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