Coup Atlas Research Database
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15509111973SuccessfulMilitary coup

Chile, 1973 — military coup

Chile (CHL)South America, AmericasSeptember 11, 1973

Event Summary

On 11 September 1973 Chile's armed forces launched a coup d'état that overthrew the democratically elected socialist government of President Salvador Allende. A military junta composed of three generals and an admiral, with General Augusto Pinochet as its leader, seized power. The resulting dictatorship, marked by widespread human rights abuses, governed Chile for the following 17 years.

Films & Footage

Salvador Allende, presidential portrait, 1970–73.
Salvador Allende, presidential portrait, 1970–73. Photo: Biblioteca del Congreso Nacional de Chile · CC BY-SA 3.0 CL
The Chilean military junta in 1973 — Augusto Pinochet and fellow commanders after the coup.
The Chilean military junta in 1973 — Augusto Pinochet and fellow commanders after the coup. Photo: Biblioteca del Congreso Nacional de Chile · CC BY 3.0 CL
Augusto Pinochet, official portrait in uniform, c. 1974.
Augusto Pinochet, official portrait in uniform, c. 1974. Photo: Ministerio de Relaciones Exteriores de Chile · CC BY 2.0 CL
Pinochet at La Moneda Palace on the ninth anniversary of the coup, September 11, 1982.
Pinochet at La Moneda Palace on the ninth anniversary of the coup, September 11, 1982. Photo: Ben2 · CC0

Archival media is credited to its holding collection and license. Media sourcing policy →

Researched Details

Researched

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

Target identified in Coup Atlas research: Salvador Allende, President of Chile (overthrown)
RESEARCHED NAME

Sources

The armed forces launched the coup on 11 September 1973.
SOURCE REVIEWED Encyclopaedia Britannica, "1973 Chilean coup d'état" (A. Demarolle; fact-checked by Britannica editors) open source ↗
The coup overthrew Salvador Allende's democratically elected socialist government.
SOURCE REVIEWED Encyclopaedia Britannica, "1973 Chilean coup d'état" open source ↗
A military junta of three generals and an admiral, with Gen. Augusto Pinochet as its leader, seized power.
SOURCE REVIEWED Encyclopaedia Britannica, "1973 Chilean coup d'état" open source ↗
The resulting dictatorship, characterized by widespread human rights abuses, governed Chile for 17 years.
SOURCE REVIEWED Encyclopaedia Britannica, "1973 Chilean coup d'état" open source ↗

How It Unfolded

Hand-coded by Coup Atlas from the sources on this page, using a fixed list of tactics. Only events we have read through carry this coding, so most records do not have it yet.

Led by
Military
How long it took
Under a day — resolved within 24 hours
  • Troop movements in the capital or key cities
  • Seizure of broadcasters / coup declaration on state media
  • Seizure of the presidential palace / seat of government
  • Declaration of martial law or curfew
  • Mass arrests of officials, officers, or opponents

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
15509111973
Powell & Thyne id
PT-CHL-1973
Albrecht/Koehler/Schutz (CAM) id
CAM-155-1973-09-11-2

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

Outcome and Target

Coup Atlas research identifies the target as: Salvador Allende, President of Chile (overthrown).

Baseline coding: Incumbent executive removed from power. Recorded leader fate: deposed; killed. 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.

Wikipedia

New York Times

“Junta in Charge,” September 12, 1973
“Chile’s Chief Claims Big Victory in Vote,” January 5, 1978
“Elect President replaces Pinochet,” by Shirley Christian, March 12, 1990

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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