Operation PBSUCCESS
E536345
Operation PBSUCCESS was the covert CIA operation that orchestrated the 1954 overthrow of Guatemala’s democratically elected president Jacobo Árbenz, marking a pivotal Cold War intervention in Latin America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Operation PBSUCCESS canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5587918 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Operation PBSUCCESS Context triple: [1954 Guatemalan coup d’état, codename, Operation PBSUCCESS]
-
A.
Operation Piranha
Operation Piranha was a U.S. Marine Corps amphibious assault and search-and-destroy operation conducted in September 1965 during the Vietnam War, aimed at rooting out Viet Cong forces in the Batangan Peninsula.
-
B.
Operation Opera
Operation Opera was a 1981 Israeli Air Force airstrike that destroyed Iraq’s Osirak nuclear reactor to prevent Saddam Hussein’s regime from developing nuclear weapons.
-
C.
Operation Pegasus
Operation Pegasus was a 1968 U.S.-led relief operation during the Vietnam War that broke the North Vietnamese siege of the Khe Sanh combat base.
-
D.
Operation Arsenal
Operation Arsenal was a famed World War II underground mission by Polish resistance youth to rescue prisoners from Nazi custody in occupied Warsaw.
-
E.
Operation Barrel Roll
Operation Barrel Roll was a covert U.S. bombing campaign conducted in Laos during the Vietnam War, aimed at disrupting North Vietnamese supply routes and supporting Royal Lao Government forces.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Operation PBSUCCESS Target entity description: Operation PBSUCCESS was the covert CIA operation that orchestrated the 1954 overthrow of Guatemala’s democratically elected president Jacobo Árbenz, marking a pivotal Cold War intervention in Latin America.
-
A.
Operation Piranha
Operation Piranha was a U.S. Marine Corps amphibious assault and search-and-destroy operation conducted in September 1965 during the Vietnam War, aimed at rooting out Viet Cong forces in the Batangan Peninsula.
-
B.
Operation Opera
Operation Opera was a 1981 Israeli Air Force airstrike that destroyed Iraq’s Osirak nuclear reactor to prevent Saddam Hussein’s regime from developing nuclear weapons.
-
C.
Operation Pegasus
Operation Pegasus was a 1968 U.S.-led relief operation during the Vietnam War that broke the North Vietnamese siege of the Khe Sanh combat base.
-
D.
Operation Arsenal
Operation Arsenal was a famed World War II underground mission by Polish resistance youth to rescue prisoners from Nazi custody in occupied Warsaw.
-
E.
Operation Barrel Roll
Operation Barrel Roll was a covert U.S. bombing campaign conducted in Laos during the Vietnam War, aimed at disrupting North Vietnamese supply routes and supporting Royal Lao Government forces.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Central Intelligence Agency operation
ⓘ
covert operation ⓘ regime change operation ⓘ |
| authorizedBy |
Dwight D. Eisenhower administration
ⓘ
linked to:
Eisenhower administration
|
| codeName | PBSUCCESS ⓘ |
| consequence |
beginning of decades-long internal conflict in Guatemala
ⓘ
human rights abuses in subsequent Guatemalan regimes ⓘ reversal of land reform in Guatemala ⓘ strengthening of U.S. interventionism in Latin America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| culminationDate | 1954-06-27 ⓘ |
| endDate | 1954 ⓘ |
| executedBy | Central Intelligence Agency ⓘ |
| ideology | anti-communism ⓘ |
| installedLeader | Carlos Castillo Armas ⓘ |
| involvedOrganization |
Guatemalan military
ⓘ
linked to:
Guatemalan Armed Forces
U.S. Embassy in Guatemala ⓘ United Fruit Company ⓘ |
| location |
Guatemala
ⓘ
Guatemala City ⓘ |
| method |
diplomatic pressure
ⓘ
economic pressure ⓘ paramilitary invasion ⓘ propaganda campaign ⓘ psychological warfare ⓘ |
| notableFigure |
Allen Dulles
ⓘ
John Foster Dulles ⓘ |
| opposedBy |
Guatemalan leftist parties
ⓘ
Jacobo Árbenz supporters ⓘ |
| partOf | Cold War ⓘ |
| plannedBy | Central Intelligence Agency ⓘ |
| predecessor | Operation PBFORTUNE ⓘ |
| reason |
United Fruit Company interests in Guatemala
ⓘ
United States anti-communist policy in Latin America ⓘ perceived communist influence in Guatemala ⓘ |
| result |
Guatemalan coup d’état of 1954
ⓘ
linked to:
1954 Guatemalan coup d’état
installation of a military government in Guatemala ⓘ overthrow of Jacobo Árbenz ⓘ |
| startDate | 1953 ⓘ |
| supportedActor | Carlos Castillo Armas ⓘ |
| supportedBy |
United States Department of State
ⓘ
United States government ⓘ |
| target |
Jacobo Árbenz government
ⓘ
linked to:
Jacobo Árbenz
President Jacobo Árbenz Guzmán ⓘ
linked to:
Jacobo Árbenz
|
| targetCountry | Guatemala ⓘ |
| theater | Latin America ⓘ |
| used |
aircraft for intimidation bombing
ⓘ
covert funding of opposition groups ⓘ radio broadcasts ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Operation PBSUCCESS Description of subject: Operation PBSUCCESS was the covert CIA operation that orchestrated the 1954 overthrow of Guatemala’s democratically elected president Jacobo Árbenz, marking a pivotal Cold War intervention in Latin America.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.