Coup Atlas Research Database
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45008091981AttemptedDissident coup

Liberia, 1981 — dissident coup attempt

Liberia (LBR)West Africa, AfricaAugust 9, 1981

Event Summary

The dataset records an event coded as an attempted dissident coup in Liberia on 9 August 1981 during the early rule of Master Sergeant Samuel Doe, who had seized power in the bloody April 1980 coup that overthrew and killed President William Tolbert and ended more than a century of Americo Liberian dominance. Doe's People's Redemption Council, a group of young enlisted soldiers now wielding absolute power, was riven by rivalries, paranoia, and violent score settling among its members. In August 1981 Doe moved against his own deputy and co-coup maker, accusing a faction led by Major General Thomas Weh Syen and several other council members of plotting to assassinate him and seize power.

Weh Syen and four other PRC members were arrested and swiftly executed. Whether a genuine countercoup was afoot or Doe fabricated the plot to eliminate rivals, in the pattern that would recur, remains debated. Doe survived and consolidated his increasingly brutal and tribalist rule until he was himself captured, tortured, and killed in 1990 during the civil war unleashed by Charles Taylor's rebellion.

Researched Details

Researched

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

Target identified in Coup Atlas research: Master Sergeant Samuel Doe crushed the alleged August 1981 plot and executed his deputy Weh Syen, consolidating power
RESEARCHED NAME
Key figures
Samuel Doe (head of Liberia's military government, target)
Thomas Weh Syen (deputy and PRC co-founder, executed)

Sources

Samuel Doe seized power in Liberia in the April 1980 coup that overthrew and killed President William Tolbert, ruling through the People's Redemption Council.
SOURCE REVIEWED Wikipedia, Samuel Doe open source ↗
In August 1981 Doe accused his deputy Thomas Weh Syen and other PRC members of plotting against him, and they were arrested and executed.
SOURCE REVIEWED Wikipedia, Thomas Weh Syen open source ↗
Doe's People's Redemption Council was riven by rivalries and violent score settling among its members.
SOURCE REVIEWED Wikipedia, People's Redemption Council open source ↗
Doe ruled Liberia until he was captured, tortured, and killed in 1990 during the civil war unleashed by Charles Taylor's rebellion.
SOURCE REVIEWED Wikipedia, Samuel Doe open source ↗

Editorial Note

Dataset date 9 August 1981 corresponds to Doe's move against Weh Syen; the exact day and the question of how genuine the plot was are lightly documented in accessible English sources this session, so specifics are flagged, while the purge, the executions, and Doe's consolidation are verified. Second Liberia record in the run, after the March 1980 pre-coup record in batch 73.

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
45008091981

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

Outcome and Target

Coup Atlas research identifies the target as: Master Sergeant Samuel Doe crushed the alleged August 1981 plot and executed his deputy Weh Syen, consolidating power.

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

The Globe and Mail

“Assassination, Coup Attempt Foiled, Liberian Leader Says,” August 11, 1981

The Irish Times

“Liberia Tries Coup Leaders,” August 11, 1981

South China Morning Post

“Bid To Oust Doe Foiled,” August 11, 1981

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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