Battle of Mantinea (418 BC)
E373663
The Battle of Mantinea (418 BC) was a major engagement of the Peloponnesian War in which Sparta decisively defeated a coalition led by Argos and Athens, reasserting its dominance in mainland Greece.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Battle of Mantinea (418 BC) canonical | 2 |
| Battle of Mantinea (418 BCE) | 2 |
| Battle of Mantineia (418 BC) | 1 |
| First Battle of Mantinea | 1 |
| Μάχη τῆς Μαντινείας (418 π.Χ.) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3600568 — 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: Battle of Mantinea (418 BC) Context triple: [Spartan army, participatedIn, Battle of Mantinea (418 BC)]
-
A.
Battle of Mantinea (362 BCE)
The Battle of Mantinea (362 BCE) was a decisive clash in ancient Greece in which Theban forces under Epaminondas defeated a Spartan-led coalition but lost their commander, effectively ending Theban hegemony and reshaping the balance of power among the Greek city-states.
-
B.
Battle of Coronea (394 BC)
The Battle of Coronea (394 BC) was a major land engagement in central Greece during the Corinthian War, where Spartan forces under King Agesilaus II fought a coalition of Greek city-states opposing Spartan hegemony.
-
C.
Battle of Orchomenus (352 BCE)
The Battle of Orchomenus (352 BCE) was a decisive victory by Philip II of Macedon over the Phocians that marked a turning point in Macedonian dominance in central Greece during the Third Sacred War.
-
D.
Battle of Nemea
The Battle of Nemea was a major land engagement in 394 BC during the Corinthian War, in which a Spartan-led army decisively defeated a coalition of Greek city-states including Athens, Corinth, Argos, and Thebes.
-
E.
Battle of Leuctra
The Battle of Leuctra (371 BC) was a decisive clash in which Thebes, led by Epaminondas, shattered Spartan military supremacy and reshaped the balance of power in ancient Greece.
- 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: Battle of Mantinea (418 BC) Target entity description: The Battle of Mantinea (418 BC) was a major engagement of the Peloponnesian War in which Sparta decisively defeated a coalition led by Argos and Athens, reasserting its dominance in mainland Greece.
-
A.
Battle of Mantinea (362 BCE)
The Battle of Mantinea (362 BCE) was a decisive clash in ancient Greece in which Theban forces under Epaminondas defeated a Spartan-led coalition but lost their commander, effectively ending Theban hegemony and reshaping the balance of power among the Greek city-states.
-
B.
Battle of Coronea (394 BC)
The Battle of Coronea (394 BC) was a major land engagement in central Greece during the Corinthian War, where Spartan forces under King Agesilaus II fought a coalition of Greek city-states opposing Spartan hegemony.
-
C.
Battle of Orchomenus (352 BCE)
The Battle of Orchomenus (352 BCE) was a decisive victory by Philip II of Macedon over the Phocians that marked a turning point in Macedonian dominance in central Greece during the Third Sacred War.
-
D.
Battle of Nemea
The Battle of Nemea was a major land engagement in 394 BC during the Corinthian War, in which a Spartan-led army decisively defeated a coalition of Greek city-states including Athens, Corinth, Argos, and Thebes.
-
E.
Battle of Leuctra
The Battle of Leuctra (371 BC) was a decisive clash in which Thebes, led by Epaminondas, shattered Spartan military supremacy and reshaped the balance of power in ancient Greece.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
engagement of the Peloponnesian War ⓘ |
| alsoKnownAs |
Battle of Mantinea (418 BC)
ⓘ
surface form:
First Battle of Mantinea
|
| ArgiveCommander | Thrasylus ⓘ |
| AthenianCommander |
Laches
ⓘ
Nicias ⓘ |
| belligerent |
Achaea
ⓘ
Arcadian allies of Sparta ⓘ Argos ⓘ Athens ⓘ Boeotians ⓘ Corinth ⓘ Elis ⓘ Mantinea ⓘ Sparta ⓘ Tegea ⓘ |
| chronology | late Archidamian phase of the Peloponnesian War ⓘ |
| combatantStrength | large hoplite armies on both sides ⓘ |
| commander | King Agis II of Sparta ⓘ |
| conflict | Peloponnesian War ⓘ |
| date | 418 BC ⓘ |
| distinguishedFrom |
Battle of Mantinea (362 BCE)
ⓘ
surface form:
Battle of Mantinea (362 BC)
|
| effect |
collapse of Argive-led coalition
ⓘ
discouragement of further open resistance to Sparta in the Peloponnese ⓘ reassertion of Spartan hegemony in mainland Greece ⓘ weakening of Argos ⓘ |
| era | Classical Greece ⓘ |
| followedBy | renewed Spartan dominance in the Peloponnese ⓘ |
| forceType | hoplite phalanx ⓘ |
| GreekName |
Battle of Mantinea (418 BC)
self-linksurface differs
ⓘ
surface form:
Μάχη τῆς Μαντινείας (418 π.Χ.)
|
| historicalSource |
Thucydides
ⓘ
surface form:
Thucydides, History of the Peloponnesian War
|
| location |
Arcadia
ⓘ
Peloponnese ⓘ mainland Greece ⓘ |
| notableFeature |
Spartan right wing outflanked Argive left
ⓘ
Spartan tactical reformation ordered by Agis II ⓘ largest land battle of the Peloponnesian War up to that time ⓘ |
| opposingCoalition | Argos–Athens–Mantinea–Elis alliance ⓘ |
| partOf | Peloponnesian War ⓘ |
| place | Mantinea ⓘ |
| politicalContext |
rivalry between Sparta and Argos for dominance in the Peloponnese
ⓘ
temporary breakdown of the Peace of Nicias ⓘ |
| predecessorEvent |
Argive alliance with Athens
ⓘ
Peace of Nicias ⓘ Spartan defeat at Pylos ⓘ |
| result | Spartan victory ⓘ |
| significance | confirmed Sparta as leading land power in Greece before the Sicilian Expedition ⓘ |
| SpartanCommander | Agis II ⓘ |
| tactics | phalanx engagement ⓘ |
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: Battle of Mantinea (418 BC) Description of subject: The Battle of Mantinea (418 BC) was a major engagement of the Peloponnesian War in which Sparta decisively defeated a coalition led by Argos and Athens, reasserting its dominance in mainland Greece.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of Mantineia (418 BC)
this entity surface form:
Μάχη τῆς Μαντινείας (418 π.Χ.)
this entity surface form:
First Battle of Mantinea
this entity surface form:
Battle of Mantinea (418 BCE)
this entity surface form:
Battle of Mantinea (418 BCE)