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Fact check

Is it true: The Gulf of Tonkin Incident?

Confirmed98% confidence

Yes — this is confirmed.

Proven by declassified NSA SIGINT analysis (2005), the Pentagon Papers (1971), and subsequent scholarly consensus. No credible historian today maintains the August 4 attack was real.

The claim

The second attack in the Gulf of Tonkin (August 4, 1964) — used to justify escalation of the Vietnam War — never happened. Declassified NSA documents (2005) revealed the Johnson administration knew th

Key evidence

NSA historian Robert Hanyok conclusion

August 2 incident was real

Read the full evidence file

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