Battle of Mantinea (418 BC)

E373663

battle engagement of the Peloponnesian War

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.

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All labels observed (5)

Label	Occurrences
Battle of Mantinea (418 BC) canonical	4
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	First Battle of Mantinea ⓘ linked to: Battle of Mantinea (418 BC)
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 BC) ⓘ linked to: Battle of Mantinea (362 BCE)
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	Μάχη τῆς Μαντινείας (418 π.Χ.) ⓘ linked to: Battle of Mantinea (418 BC)
historicalSource	Thucydides, History of the Peloponnesian War ⓘ linked to: Thucydides
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