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 NERFINISHED ⓘ |
| codeName | PBSUCCESS NERFINISHED ⓘ |
| 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 of America
ⓘ
surface form:
United States
|
| culminationDate | 1954-06-27 ⓘ |
| endDate | 1954 ⓘ |
| executedBy | Central Intelligence Agency NERFINISHED ⓘ |
| ideology | anti-communism ⓘ |
| installedLeader | Carlos Castillo Armas NERFINISHED ⓘ |
| involvedOrganization |
Guatemalan military
NERFINISHED
ⓘ
U.S. Embassy in Guatemala NERFINISHED ⓘ United Fruit Company NERFINISHED ⓘ |
| location |
Guatemala
NERFINISHED
ⓘ
Guatemala City NERFINISHED ⓘ |
| method |
diplomatic pressure
ⓘ
economic pressure ⓘ paramilitary invasion ⓘ propaganda campaign ⓘ psychological warfare ⓘ |
| notableFigure |
Allen Dulles
NERFINISHED
ⓘ
John Foster Dulles NERFINISHED ⓘ |
| opposedBy |
Guatemalan leftist parties
ⓘ
Jacobo Árbenz supporters ⓘ |
| partOf | Cold War ⓘ |
| plannedBy | Central Intelligence Agency NERFINISHED ⓘ |
| predecessor | Operation PBFORTUNE NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
installation of a military government in Guatemala ⓘ overthrow of Jacobo Árbenz ⓘ |
| startDate | 1953 ⓘ |
| supportedActor | Carlos Castillo Armas NERFINISHED ⓘ |
| supportedBy |
United States Department of State
NERFINISHED
ⓘ
United States government NERFINISHED ⓘ |
| target |
Jacobo Árbenz government
NERFINISHED
ⓘ
President Jacobo Árbenz Guzmán NERFINISHED ⓘ |
| targetCountry | Guatemala NERFINISHED ⓘ |
| theater | Latin America NERFINISHED ⓘ |
| 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.