Castellammarese War
E497671
The Castellammarese War was a bloody early-1930s power struggle between rival New York Mafia factions that reshaped American organized crime and led to the modern Mafia structure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Castellammarese War canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5145146 — 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: Castellammarese War Context triple: [Commission (American Mafia), foundedAfter, Castellammarese War]
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A.
War of the Sicilian Vespers
The War of the Sicilian Vespers was a late 13th-century conflict sparked by a popular uprising in Sicily against Angevin rule, leading to a protracted struggle for control of the island involving the Crown of Aragon and the Kingdom of Naples.
-
B.
Battle of Palermo (1860)
The Battle of Palermo (1860) was a decisive urban engagement during Giuseppe Garibaldi’s campaign in Sicily that led to the capture of Palermo and significantly advanced the cause of Italian unification.
-
C.
Italian Civil War
The Italian Civil War was a brutal internal conflict from 1943 to 1945 in which Italian partisans and the Kingdom of Italy fought against the fascist Italian Social Republic and its German allies during the final phase of World War II.
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D.
Battle of Milazzo (1860)
The Battle of Milazzo (1860) was a decisive engagement in Giuseppe Garibaldi’s campaign to conquer Sicily during the Expedition of the Thousand, paving the way for the unification of southern Italy with the Kingdom of Sardinia.
-
E.
Corsican War of Independence
The Corsican War of Independence was an 18th-century uprising in which Corsicans, led by Pasquale Paoli, sought to establish an independent republic free from Genoese and later French rule.
- 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: Castellammarese War Target entity description: The Castellammarese War was a bloody early-1930s power struggle between rival New York Mafia factions that reshaped American organized crime and led to the modern Mafia structure.
-
A.
War of the Sicilian Vespers
The War of the Sicilian Vespers was a late 13th-century conflict sparked by a popular uprising in Sicily against Angevin rule, leading to a protracted struggle for control of the island involving the Crown of Aragon and the Kingdom of Naples.
-
B.
Battle of Palermo (1860)
The Battle of Palermo (1860) was a decisive urban engagement during Giuseppe Garibaldi’s campaign in Sicily that led to the capture of Palermo and significantly advanced the cause of Italian unification.
-
C.
Italian Civil War
The Italian Civil War was a brutal internal conflict from 1943 to 1945 in which Italian partisans and the Kingdom of Italy fought against the fascist Italian Social Republic and its German allies during the final phase of World War II.
-
D.
Battle of Milazzo (1860)
The Battle of Milazzo (1860) was a decisive engagement in Giuseppe Garibaldi’s campaign to conquer Sicily during the Expedition of the Thousand, paving the way for the unification of southern Italy with the Kingdom of Sardinia.
-
E.
Corsican War of Independence
The Corsican War of Independence was an 18th-century uprising in which Corsicans, led by Pasquale Paoli, sought to establish an independent republic free from Genoese and later French rule.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Mafia war
ⓘ
historical event ⓘ organized crime conflict ⓘ |
| aftermath |
creation of a national Mafia Commission
ⓘ
establishment of the Five Families in New York ⓘ rise of Lucky Luciano as leading Mafia figure ⓘ |
| alsoKnownAs | Mafia war of 1930–31 NERFINISHED ⓘ |
| belligerent |
Joe Masseria faction
NERFINISHED
ⓘ
Salvatore Maranzano faction NERFINISHED ⓘ |
| casualties | dozens of mobsters killed ⓘ |
| cause |
competition for control of New York City organized crime
ⓘ
rivalry between Sicilian Mafia factions ⓘ struggle over Prohibition-era rackets ⓘ |
| conflictType |
gang war
ⓘ
power struggle ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endDate | 1931 ⓘ |
| historicalContext | early 1930s United States organized crime ⓘ |
| keyFigure |
Albert Anastasia
NERFINISHED
ⓘ
Carlo Gambino NERFINISHED ⓘ Charles "Lucky" Luciano NERFINISHED ⓘ Frank Costello NERFINISHED ⓘ Joe Adonis NERFINISHED ⓘ Joe Masseria NERFINISHED ⓘ Joseph Bonanno NERFINISHED ⓘ Salvatore Maranzano NERFINISHED ⓘ Stefano Magaddino NERFINISHED ⓘ Tommy Lucchese NERFINISHED ⓘ Vito Genovese NERFINISHED ⓘ |
| languageOfName | Italian ⓘ |
| location | New York City ⓘ |
| mainTheater | New York City NERFINISHED ⓘ |
| namedAfter |
Castellammare del Golfo
NERFINISHED
ⓘ
Sicily NERFINISHED ⓘ |
| opponentOf |
Joe Masseria
NERFINISHED
ⓘ
Salvatore Maranzano NERFINISHED ⓘ |
| period | Prohibition era ⓘ |
| relatedTo |
American Mafia
NERFINISHED
ⓘ
Five Families NERFINISHED ⓘ National Crime Syndicate NERFINISHED ⓘ |
| result |
assassination of Joe Masseria
ⓘ
assassination of Salvatore Maranzano ⓘ creation of the American Mafia Commission ⓘ end of the old Sicilian Mafia boss-of-bosses system in the United States ⓘ reorganization of New York Mafia families into Five Families ⓘ victory of Salvatore Maranzano faction ⓘ |
| significance |
ended dominance of traditional Sicilian bosses in New York
ⓘ
led to modern American Mafia structure ⓘ reshaped American organized crime ⓘ |
| startDate | 1929 ⓘ |
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: Castellammarese War Description of subject: The Castellammarese War was a bloody early-1930s power struggle between rival New York Mafia factions that reshaped American organized crime and led to the modern Mafia structure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.