Idus Martiae
E725506
Idus Martiae is the Latin term for the Ides of March, historically renowned as the date of Julius Caesar’s assassination in 44 BC.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Idus Martiae canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8313654 — 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: Idus Martiae Context triple: [Ides of March 44 BC, hasRomanCalendarName, Idus Martiae]
-
A.
Vinalia Faculae
Vinalia Faculae are bright, reflective deposits on the surface of dwarf planet Ceres, notable for their high albedo and association with possible brine-related geological activity.
-
B.
Sextilia
Sextilia was a Roman noblewoman of the 1st century AD, best known as the mother of the emperor Aulus Vitellius.
-
C.
Iunius
Iunius is the Latin name for June, a month of the ancient Roman calendar traditionally associated with the goddess Juno.
-
D.
Quintilis
Quintilis was the original Latin name for the month later known as July in the Roman calendar.
-
E.
Vinalia
Vinalia was an ancient Roman festival dedicated to wine and the protection of the grape harvest, associated especially with Jupiter and Venus.
- 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: Idus Martiae Target entity description: Idus Martiae is the Latin term for the Ides of March, historically renowned as the date of Julius Caesar’s assassination in 44 BC.
-
A.
Vinalia Faculae
Vinalia Faculae are bright, reflective deposits on the surface of dwarf planet Ceres, notable for their high albedo and association with possible brine-related geological activity.
-
B.
Sextilia
Sextilia was a Roman noblewoman of the 1st century AD, best known as the mother of the emperor Aulus Vitellius.
-
C.
Iunius
Iunius is the Latin name for June, a month of the ancient Roman calendar traditionally associated with the goddess Juno.
-
D.
Quintilis
Quintilis was the original Latin name for the month later known as July in the Roman calendar.
-
E.
Vinalia
Vinalia was an ancient Roman festival dedicated to wine and the protection of the grape harvest, associated especially with Jupiter and Venus.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Roman calendrical term
ⓘ
calendar date ⓘ historical event date ⓘ |
| associatedWithDeity | Mars ⓘ |
| associatedWithEvent | assassination of Julius Caesar ⓘ |
| associatedWithFestival | Roman festivals of March ⓘ |
| associatedWithGroup | Liberatores ⓘ |
| associatedWithPerson |
Gaius Cassius Longinus
ⓘ
Julius Caesar ⓘ Marcus Junius Brutus ⓘ |
| calendarSystem | Julian calendar ⓘ |
| chronologicallyFollows | Nones of March ⓘ |
| chronologicallyPrecedes | Kalends of April ⓘ |
| correspondsTo |
15 March in the Gregorian calendar
ⓘ
15 March in the Julian calendar ⓘ |
| hasCalendarRole | one of the fixed reference days (Kalends, Nones, Ides) ⓘ |
| hasComponentTerm |
Idus
ⓘ
Martiae ⓘ |
| hasCulturalSignificance |
symbol of betrayal
ⓘ
symbol of ominous warning ⓘ |
| hasEnglishName | Ides of March ⓘ |
| hasLatinName | Idus Martiae ⓘ |
| hasLiteraryMotto | Beware the Ides of March ⓘ |
| hasModernConnotation |
day of foreboding
ⓘ
deadline or moment of reckoning ⓘ |
| hasPoliticalSignificance |
end of Julius Caesar’s dictatorship
ⓘ
turning point in the history of the Roman Republic ⓘ |
| hasYearlyRecurrence | annual ⓘ |
| IdusMeans | Ides ⓘ |
| languageOfTerm | Latin ⓘ |
| MartiaeMeans | of March ⓘ |
| mentionedInWork |
William Shakespeare’s play Julius Caesar
ⓘ
linked to:
Julius Caesar (play)
|
| occursInMonth | March ⓘ |
| occursOnDayOfMonth | 15 ⓘ |
| partOf | Roman calendar ⓘ |
| precedesEvent | final crisis of the Roman Republic ⓘ |
| tookPlaceAtLocation | Theatre of Pompey ⓘ |
| tookPlaceInCity | Rome ⓘ |
| tookPlaceInRegion | Roman Republic ⓘ |
| tookPlaceInYear | 44 BC ⓘ |
| tookPlaceOn | 15 March 44 BC ⓘ |
| usedByCulture | ancient Romans ⓘ |
| usedInReligion | Roman religion ⓘ |
| warningUtteredBy | soothsayer in Shakespeare’s Julius Caesar ⓘ |
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: Idus Martiae Description of subject: Idus Martiae is the Latin term for the Ides of March, historically renowned as the date of Julius Caesar’s assassination in 44 BC.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.