Coup Atlas Research Database
← Back to explorer
05510311983SuccessfulForeign-backed coup

Grenada, 1983 — foreign-backed coup

Grenada (GRD)Caribbean, AmericasOctober 31, 1983

Event Summary

On October 25, 1983 the United States, joined by a coalition of Caribbean states, invaded Grenada in Operation Urgent Fury, overthrowing the Revolutionary Military Council that had seized power after the killing of Prime Minister Maurice Bishop, with the council's chairman General Hudson Austin arrested by October 30. The invasion followed the October 19 execution of Bishop and the establishment of a military government under Austin. Citing the safety of American medical students, a request from neighboring Caribbean states, and concern over Cuban and Soviet influence, the Reagan administration launched an invasion of about 7,600 US and allied troops.

Grenadian and Cuban forces resisted but were quickly overcome; the RMC was deposed within days. Austin was captured on October 30, 1983. Governor-General Paul Scoon assumed interim authority and appointed an advisory council pending elections.

The dataset dates this October 31, 1983 and codes the RMC's fate as arrested or jailed.

Researched Details

Researched

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

Target identified in Coup Atlas research: General Hudson Austin and the Revolutionary Military Council, overthrown by the US-led invasion; Austin was captured on October 30, 1983 (the dataset dates the event October 31), matching the fate of arrested or jailed.
RESEARCHED NAME
Key figures
Hudson Austin (RMC chairman overthrown and arrested)
Ronald Reagan (US president who ordered the invasion)
Paul Scoon (governor-general who assumed interim authority)

Sources

The United States and a coalition of Caribbean countries invaded Grenada at dawn on 25 October 1983 in an operation codenamed Urgent Fury, triggered by the strife that led to the house arrest and execution of Maurice Bishop and the establishment of the Revolutionary Military Council with Hudson Austin as chairman, and Austin's military government was deposed.
SOURCE REVIEWED Wikipedia, United States invasion of Grenada open source ↗
General Hudson Austin, the leader of the short-lived Revolutionary Military Council that was toppled in Grenada, was arrested by US soldiers, captured at 2:30 p.m. on October 30, 1983 in a private home by troops of the 82nd Airborne Division.
SOURCE REVIEWED Washington Post, US Forces Seize Fugitive Leader of Grenadan Coup open source ↗
The US-led invasion involved about 7,600 troops together with Jamaican forces and troops of the Regional Security System, the invaders quickly defeated Grenadian resistance, Austin's military government was deposed, and an advisory council was designated by Governor-General Paul Scoon to administer the government until the 1984 elections.
SOURCE REVIEWED Wikipedia, United States invasion of Grenada open source ↗
The United Nations General Assembly condemned the invasion as a flagrant violation of international law on 2 November 1983 by a vote of 108 to 9, and British Prime Minister Margaret Thatcher privately disapproved of the mission, in part because she was not consulted in advance despite Grenada being a Commonwealth member.
SOURCE REVIEWED Wikipedia, United States invasion of Grenada open source ↗

Editorial Note

Coding note: the dataset labels this a foreign-backed coup, accurately, as it was a US-led military intervention that overthrew the Revolutionary Military Council governing Grenada; the RMC's chairman Hudson Austin and other members were arrested, matching the dataset's arrested-or-jailed fate. Date nuance flagged: the dataset dates this October 31, 1983; the invasion began October 25, 1983 and Austin was captured October 30, 1983, so the dataset date falls at the tail of the operation as the RMC leadership was rounded up, and the fuller timeline (invasion October 25, Austin captured October 30) is recorded. Arc link: this is the second of two linked Grenada records, following directly from the October 19 killing of Bishop and the RMC's seizure of power (enriched in the same batch). Contested subject handled neutrally: the invasion's legality and justification were disputed; the UN General Assembly condemned it and the US cited student safety, a Caribbean request, and Cuban and Soviet influence; these positions are recorded as documented rather than adjudicated. Aftermath: Governor-General Scoon assumed interim authority, an advisory council under Nicholas Brathwaite governed, and elections were held in December 1984, later context. Casualty figures (US, Cuban, Grenadian military and civilian) are documented in sources and recorded there rather than asserted here.

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
05510311983

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

Outcome and Target

Coup Atlas research identifies the target as: General Hudson Austin and the Revolutionary Military Council, overthrown by the US-led invasion; Austin was captured on October 30, 1983 (the dataset dates the event October 31), matching the fate of arrested or jailed..

Baseline coding: Incumbent executive removed from power. Recorded leader fate: deposed; arrested or jailed. 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

Wikipedia

Wall Street Journal

“Grenada Slips Back To Its Usual Torpor After U.S.’Rescue’But War Leaves Reminders: Bombatthe Soccer Field, Foreign Soldiers At The Bar Grenada Slips Back To Its Usual Torpor After U.S.‘Rescue’,” by Thomas E. Ricks, November 8, 1983

New York Times

“General reported Captured,” October 31, 1983

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 →

Know something about this event?
Tips are reviewed against sources before anything is added.