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Academic research
Tlatelolco Massacre: Declassified U.S. Documents on Mexico and the Events of 1968
National Security Archive, George Washington University
Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Open article references → Why editors use it hereResearch archive of declassified diplomatic, intelligence, military, and law-enforcement documents on the movement and massacre.
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Quick read
On 2 October 1968, Mexican military and security forces attacked a student gathering in the Plaza de las Tres Culturas at Tlatelolco.
Reviewed 5 August 2026 -
Trigger and conditions
Thousands gathered at Tlatelolco for a meeting on 2 October.
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Uncertainty
No universally accepted death toll exists.
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Why it matters
Tlatelolco shows how quickly a state can turn a public assembly into an information battle over who fired, who died, and what records survive.
Reviewed 5 August 2026
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Quick read