Coup Atlas Research Database
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10110301966AttemptedMilitary coup

Venezuela, 1966 — military coup attempt

Venezuela (VEN)South America, AmericasOctober 30, 1966

Event Summary

The dataset records an attempted military coup in Venezuela on 30 October 1966, during the elected government of President Raul Leoni of the Democratic Action party, who had succeeded Romulo Betancourt in 1964 and continued the fight against the leftist insurgency mounted by the Armed Forces of National Liberation and the Communist Party. Leoni governed in a broad coalition and pressed the counterinsurgency against Castro backed guerrillas in the countryside and cities. This period also saw residual military plotting from officers dissatisfied with the civilian government, echoing the garrison revolts that had troubled Betancourt.

Any coup attempt in October 1966 came within that context and did not unseat Leoni, whose administration weathered the guerrilla challenge and the plots. Leoni completed his full term and in 1969 handed power to Rafael Caldera of the opposition Social Christian party, an early peaceful transfer between rival parties that consolidated Venezuelan democracy.

Researched Details

Researched

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

Target identified in Coup Atlas research: President Raul Leoni survived and completed his term, handing power to an opposition successor in 1969
RESEARCHED NAME
Key figures
Raul Leoni (president of Venezuela, target)
Dissident officers and leftist insurgents (opponents)

Sources

Raul Leoni served as the elected president of Venezuela from 1964 to 1969 as a member of the Democratic Action party, succeeding Romulo Betancourt.
SOURCE REVIEWED Wikipedia, Raul Leoni open source ↗
Leoni's government continued the counterinsurgency against the leftist Armed Forces of National Liberation and the Communist Party during the 1960s guerrilla insurgency.
SOURCE REVIEWED Wikipedia, Raul Leoni open source ↗
Leoni governed in a broad based coalition and maintained civilian democratic rule despite the insurgency and military discontent.
SOURCE REVIEWED Wikipedia, Raul Leoni open source ↗
Leoni completed his term and in 1969 handed power to Rafael Caldera of the opposition COPEI party, an early peaceful transfer between rival parties in Venezuela.
SOURCE REVIEWED Wikipedia, Raul Leoni open source ↗

Editorial Note

No discrete documentation of a coup attempt precisely on 30 October 1966 was found in accessible English sources this session; the entry records the dataset's coding and the verified context of the Leoni government and its counterinsurgency, with plotter identity for this specific date unconfirmed, flagged. Continues the Venezuela arc after the heavy Betancourt era risings enriched in earlier batches.

Cross-Reference

Datasets agree. At least two of the three reference datasets we check against carry this event, and none of them disagrees about its date or its result.

Identifiers for finding this same event in the other datasets:

Cline Center id
10110301966
Albrecht/Koehler/Schutz (CAM) id
CAM-101-1966-10-30

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

Outcome and Target

Coup Atlas research identifies the target as: President Raul Leoni survived and completed his term, handing power to an opposition successor in 1969.

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

Powell and Thyne

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

New York Times

“VENEZUELA SAYS COUP IS CRUSHED,” October 31, 1966

Chicago Tribune

“PLOTTER SLAIN IN VENEZUELA; REVOLT FAILS,” October 31, 1966

Jerusalem Post

“Venezuela loyalists slay leader of abortive coup,” November 1, 1966

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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