William Calley
E136555
William Calley is a former U.S. Army officer best known for his central role in and subsequent conviction for war crimes related to the My Lai massacre during the Vietnam War.
All labels observed (4)
| Label | Occurrences |
|---|---|
| William Calley canonical | 6 |
| Lieutenant William Calley | 1 |
| William L. Calley Jr. | 1 |
| William Laws Calley Jr. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1196960 — 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: William Calley Context triple: [My Lai massacre, commandingOfficer, William Calley]
-
A.
Lieutenant General Hal Moore
Lieutenant General Hal Moore was a highly respected U.S. Army officer best known for his leadership during the Battle of Ia Drang in the Vietnam War and for co-authoring the book "We Were Soldiers Once... and Young."
-
B.
Stephen H. Crandall
Stephen H. Crandall was a prominent American mechanical engineer and MIT professor renowned for his foundational contributions to the fields of dynamics, vibrations, and random processes in engineering.
-
C.
John O’Neill
John O’Neill was a real-life FBI counterterrorism expert known for his early warnings about al-Qaeda and is prominently portrayed as a central figure in the book and TV adaptation "The Looming Tower."
-
D.
William Westmoreland
William Westmoreland was a United States Army general best known for commanding U.S. military operations during the height of the Vietnam War.
-
E.
Marc Bulger
Marc Bulger is a former NFL quarterback best known for his Pro Bowl tenure with the St. Louis Rams in the 2000s.
- 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: William Calley Target entity description: William Calley is a former U.S. Army officer best known for his central role in and subsequent conviction for war crimes related to the My Lai massacre during the Vietnam War.
-
A.
Lieutenant General Hal Moore
Lieutenant General Hal Moore was a highly respected U.S. Army officer best known for his leadership during the Battle of Ia Drang in the Vietnam War and for co-authoring the book "We Were Soldiers Once... and Young."
-
B.
Stephen H. Crandall
Stephen H. Crandall was a prominent American mechanical engineer and MIT professor renowned for his foundational contributions to the fields of dynamics, vibrations, and random processes in engineering.
-
C.
John O’Neill
John O’Neill was a real-life FBI counterterrorism expert known for his early warnings about al-Qaeda and is prominently portrayed as a central figure in the book and TV adaptation "The Looming Tower."
-
D.
William Westmoreland
William Westmoreland was a United States Army general best known for commanding U.S. military operations during the height of the Vietnam War.
-
E.
Marc Bulger
Marc Bulger is a former NFL quarterback best known for his Pro Bowl tenure with the St. Louis Rams in the 2000s.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
military officer ⓘ war criminal ⓘ |
| apologyDate | 2009 ⓘ |
| apologyFor | My Lai massacre ⓘ |
| apologyLocation | Columbus, Georgia Kiwanis Club ⓘ |
| associatedWith |
Americal Division
ⓘ
My Lai village (Son My), Quang Ngai Province, South Vietnam ⓘ
linked to:
My Lai Memorial in Son My
|
| commanderDuringMyLai | Ernest Medina ⓘ |
| conflict | Vietnam War ⓘ |
| convictedBy |
U.S. Army court-martial
ⓘ
linked to:
court-martial of William Calley
|
| convictedOf | war crimes related to the My Lai massacre ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| criminalCharge | premeditated murder ⓘ |
| dateOfBirth | 1943-06-08 ⓘ |
| dateOfConviction | 1971-03-29 ⓘ |
| educatedAt |
Palm Beach Junior College
ⓘ
linked to:
Palm Beach State College
|
| event |
My Lai massacre court-martial
ⓘ
linked to:
court-martial of William Calley
|
| familyName | Calley ⓘ |
| fullName |
William Laws Calley Jr.
ⓘ
linked to:
William Calley
|
| givenName | William ⓘ |
| honorOrAwardRevoked | military decorations related to Vietnam service ⓘ |
| legalStatus | paroled ⓘ |
| mediaCoverage | extensive U.S. and international press coverage ⓘ |
| militaryBranch | United States Army ⓘ |
| militaryRank |
lieutenant
ⓘ
second lieutenant ⓘ |
| notableFor | My Lai massacre ⓘ |
| numberOfCiviliansKilledAtMyLai | hundreds ⓘ |
| numberOfMurderVictims | 22 ⓘ |
| occupation |
jewelry store manager
ⓘ
soldier ⓘ |
| onlyU.S.SoldierConvictedForMyLai | true ⓘ |
| paroleDate | 1974 ⓘ |
| placeOfBirth | Miami, Florida, United States ⓘ |
| residence |
Columbus, Georgia, United States
ⓘ
linked to:
Columbus, Georgia
|
| roleInEvent | platoon leader at My Lai ⓘ |
| sentence | life imprisonment ⓘ |
| sentenceModifiedTo |
10 years imprisonment
ⓘ
20 years imprisonment ⓘ |
| sentenceServedAs | house arrest ⓘ |
| spouse | Penny Vick ⓘ |
| statedDefense | claimed he was following orders ⓘ |
| subjectOf |
books about the My Lai massacre
ⓘ
documentaries about Vietnam War atrocities ⓘ |
| symbolOf | controversy over U.S. conduct in Vietnam War ⓘ |
| timeInCustody | approximately 3.5 years ⓘ |
| unit | Company C, 1st Battalion, 20th Infantry Regiment, 11th Brigade, Americal Division ⓘ |
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: William Calley Description of subject: William Calley is a former U.S. Army officer best known for his central role in and subsequent conviction for war crimes related to the My Lai massacre during the Vietnam War.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: William Calley
linked to: William Calley
subject linked to:
Calley
linked to: William Calley