Coup Atlas Research Database
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09110211977AttemptedMilitary coup

Honduras, 1977 — military coup attempt

Honduras (HND)Central America, AmericasOctober 21, 1977

Event Summary

The dataset records an attempted military coup in Honduras on 21 October 1977 during the military government of General Juan Alberto Melgar Castro, who had taken power in 1975 within the reformist armed forces regime that had governed Honduras since the early 1970s. Melgar Castro presided over a period of tension between reformist and conservative factions in the military, amid controversy over agrarian reform, corruption scandals, and the influence of business elites. Rivalries within the officer corps produced plotting during this period.

A coup attempt in October 1977 came within that context and did not immediately unseat Melgar Castro, though his position was weakening. In August 1978 he was removed from power, not by this attempt but by a bloodless move of the Superior Council of the Armed Forces, which replaced him with a three-man junta led by General Policarpo Paz Garcia. Honduras remained under military rule until the transition to elected civilian government at the start of the 1980s.

Researched Details

Researched

Independent research, added record by record. Hover any label for what it means.

Target identified in Coup Atlas research: General Juan Alberto Melgar Castro survived the October 1977 plotting but was removed by the military in 1978
RESEARCHED NAME
Key figures
Juan Alberto Melgar Castro (head of Honduras's military government, target)
Dissident officers (plotters)

Sources

General Juan Alberto Melgar Castro led the military government of Honduras from 1975.
SOURCE REVIEWED Wikipedia, Juan Alberto Melgar Castro open source ↗
Melgar Castro's rule was marked by tension between reformist and conservative factions in the military and by corruption scandals.
SOURCE REVIEWED Wikipedia, Juan Alberto Melgar Castro open source ↗
In August 1978 Melgar Castro was removed by the Superior Council of the Armed Forces and replaced by a junta led by General Policarpo Paz Garcia.
SOURCE REVIEWED Wikipedia, Juan Alberto Melgar Castro open source ↗
Honduras remained under military rule until the transition to elected civilian government at the start of the 1980s.
SOURCE REVIEWED Wikipedia, History of Honduras open source ↗

Editorial Note

No discrete documentation of a coup attempt precisely on 21 October 1977 in Honduras was found in accessible English sources this session; the entry records the dataset's coding and the verified context of the Melgar Castro military government amid factional tension, with the specific event and plotters unconfirmed, flagged as context only. First Honduras record in the dataset run.

Cross-Reference

Only one dataset carries it. One of the three reference datasets we check against carries this event; the others do not list it. That is not a contradiction — the datasets cover different periods and use different thresholds — but it means the record has had less outside corroboration.

Identifiers for finding this same event in the other datasets:

Cline Center id
09110211977

How the match is made is described in crossref-report.md.

Outcome and Target

Coup Atlas research identifies the target as: General Juan Alberto Melgar Castro survived the October 1977 plotting but was removed by the military in 1978.

Baseline coding: Coup attempt failed to remove the incumbent. Recorded leader fate: remained in office; not physically harmed. The baseline file does not name individual targets; researched names are kept in a separate layer.

Baseline Dataset Citation

Cline Center Coup d’État Project Dataset, v2.2.2
Peyton, Buddy, Joseph Bajjalieh, Michael Martin, and Andrea Gerald. 2026. Cline Center Coup d’État Project Dataset. Cline Center for Advanced Social Research. V.2.2.2. February 17. University of Illinois Urbana-Champaign. doi: 10.13012/B2IDB-9651987_V10
⚑ This citation establishes the coded baseline record; use the claim-level sources above for the researched narrative.

Baseline Source-Document Entries

CSP

Named in the baseline source document; no article citation was recorded.

Luttwak

Named in the baseline source document; no article citation was recorded.

Los Angeles Times

“News in Brief: THE WORLD 371 Seized in Uranium Protest,” October 23, 1977

St. Louis Post-Dispatch

“World: Coup Crushed,” October 23, 1977

This is the citation trail carried by the baseline dataset, grouped by outlet and rejoined from the line-wrapped original. Coup Atlas has not independently re-checked every document; read the original before citing a specific claim. URLs the import damaged beyond safe repair are shown as plain text and listed in citations-report.md. How this list is built →

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