Patriots’ Day
E13006
Patriots’ Day is a regional holiday in Massachusetts and Maine commemorating the opening battles of the American Revolutionary War, observed each April with events including the Boston Marathon.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Patriots’ Day canonical | 10 |
| Patriots Day | 3 |
| Evacuation Day (Suffolk County, Massachusetts) | 1 |
| Patriots Day (film) | 1 |
| Patriots' Day | 1 |
| Patriots’ Day Boston Marathon | 1 |
| Patriot’s Day | 1 |
| Patriot’s Day (holiday in other U.S. states and contexts) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T120543 — 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: Patriots’ Day Context triple: [Boston Marathon, occursOn, Patriots’ Day]
-
A.
Sons of Liberty
The Sons of Liberty were a secretive, radical colonial American group that led protests and direct action against British taxation and policies in the years leading up to the American Revolution.
-
B.
Quantico
Quantico is a small town in Prince William County, Virginia, best known for hosting the Marine Corps Base Quantico and several major U.S. federal law enforcement training facilities.
-
C.
All Hail to Massachusetts
"All Hail to Massachusetts" is the official state song that celebrates the history, pride, and heritage of the Commonwealth of Massachusetts.
-
D.
Hancock
Hancock is a prominent surname most famously associated with John Hancock, a key figure of the American Revolution and first signer of the United States Declaration of Independence.
-
E.
Mystic River
Mystic River is a tidal estuary in the Greater Boston area of Massachusetts, historically significant for shipbuilding and industrial activity along its banks.
- 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: Patriots’ Day Target entity description: Patriots’ Day is a regional holiday in Massachusetts and Maine commemorating the opening battles of the American Revolutionary War, observed each April with events including the Boston Marathon.
-
A.
Sons of Liberty
The Sons of Liberty were a secretive, radical colonial American group that led protests and direct action against British taxation and policies in the years leading up to the American Revolution.
-
B.
Quantico
Quantico is a small town in Prince William County, Virginia, best known for hosting the Marine Corps Base Quantico and several major U.S. federal law enforcement training facilities.
-
C.
All Hail to Massachusetts
"All Hail to Massachusetts" is the official state song that celebrates the history, pride, and heritage of the Commonwealth of Massachusetts.
-
D.
Hancock
Hancock is a prominent surname most famously associated with John Hancock, a key figure of the American Revolution and first signer of the United States Declaration of Independence.
-
E.
Mystic River
Mystic River is a tidal estuary in the Greater Boston area of Massachusetts, historically significant for shipbuilding and industrial activity along its banks.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
commemorative observance
ⓘ
public holiday ⓘ state holiday ⓘ |
| alsoKnownAs |
Patriots’ Day
ⓘ
surface form:
Patriots Day
Patriots’ Day ⓘ
surface form:
Patriot’s Day
|
| appliesToJurisdiction |
Massachusetts
ⓘ
surface form:
Commonwealth of Massachusetts
Maine ⓘ
surface form:
State of Maine
|
| associatedEvent | Boston Marathon ⓘ |
| associatedWith |
Boston Red Sox home game at Fenway Park
ⓘ
morning Major League Baseball game in Boston ⓘ |
| commemorates |
Patriot militia in the American Revolution
ⓘ
Paul Revere’s ride ⓘ Samuel Prescott’s ride ⓘ William Dawes’s ride ⓘ opening battles of the American Revolutionary War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dayOfWeek | Monday ⓘ |
| follows |
Easter
ⓘ
surface form:
Easter Sunday
Palm Sunday ⓘ |
| hasCause |
Battle of Menotomy
ⓘ
Battles of Lexington and Concord ⓘ |
| hasMainCelebrationLocation |
Arlington, Massachusetts
ⓘ
Boston, Massachusetts ⓘ Concord, Massachusetts ⓘ Lexington, Massachusetts ⓘ |
| hasTraditionalActivity |
Boston Marathon
ⓘ
Patriots’ Day Parade in Concord ⓘ Patriots’ Day Parade in Lexington ⓘ Patriots’ Day reenactment at Lexington Green ⓘ Patriots’ Day reenactment at Old North Bridge ⓘ educational programs about the American Revolution ⓘ flag-raising ceremonies ⓘ historical reenactments of the Battles of Lexington and Concord ⓘ patriotic speeches ⓘ |
| inception | 1894 ⓘ |
| legislatedBy | Massachusetts General Court ⓘ |
| locatedInTheAdministrativeTerritorialEntity | New England ⓘ |
| observedIn |
Maine
ⓘ
Massachusetts ⓘ North Dakota ⓘ
surface form:
North Dakota (as a state observance)
Wisconsin (as a school observance day) ⓘ |
| occursOn | third Monday in April (Massachusetts and Maine) ⓘ |
| officialName | Patriots’ Day self-link ⓘ |
| previouslyOccurredOn | April 19 ⓘ |
| proposedBy | Governor Frederic T. Greenhalge ⓘ |
| relatedTo |
American Revolutionary War
ⓘ
Battles of Lexington and Concord ⓘ
surface form:
Lexington and Concord
Patriots’ Day self-linksurface differs ⓘ
surface form:
Patriot’s Day (holiday in other U.S. states and contexts)
|
| replaced | Fast Day (Massachusetts) ⓘ |
| startTime | 1894 ⓘ |
| theme | American patriotism ⓘ |
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: Patriots’ Day Description of subject: Patriots’ Day is a regional holiday in Massachusetts and Maine commemorating the opening battles of the American Revolutionary War, observed each April with events including the Boston Marathon.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Evacuation Day (Suffolk County, Massachusetts)
this entity surface form:
Patriot’s Day
this entity surface form:
Patriots Day
this entity surface form:
Patriot’s Day (holiday in other U.S. states and contexts)
this entity surface form:
Patriots’ Day Boston Marathon
this entity surface form:
Patriots Day
this entity surface form:
Patriots Day (film)
this entity surface form:
Patriots' Day
subject surface form:
Rachel Brosnahan
this entity surface form:
Patriots Day