Thirty Years' Peace

E76033

ancient Greek treaty armistice agreement bilateral treaty peace treaty

The Thirty Years' Peace was a mid-5th century BCE agreement between Athens and Sparta intended to stabilize Greek interstate relations and delay renewed large-scale conflict between their rival alliances.

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All labels observed (2)

Label	Occurrences
Thirty Years’ Peace	2
Thirty Years' Peace canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T607024 — 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: Thirty Years' Peace
Context triple: [Peloponnesian War, treaty, Thirty Years' Peace]

A. Twelve Years' Truce
The Twelve Years' Truce was a temporary ceasefire (1609–1621) between Spain and the Dutch Republic that effectively recognized Dutch independence and paused the Eighty Years' War.
B. Peace of Westphalia
The Peace of Westphalia was the series of 1648 treaties that ended the Thirty Years' War in Europe and is often credited with establishing the foundations of the modern system of sovereign nation-states.
C. League of Augsburg
The League of Augsburg, also known as the Grand Alliance, was a late 17th-century coalition of European powers formed to oppose the expansionist policies of Louis XIV’s France.
D. Thirty Years' War
The Thirty Years' War was a devastating 17th-century European conflict, largely fought in the Holy Roman Empire, that intertwined religious and political struggles and reshaped the continent’s balance of power.
E. Restoration War
The Restoration War was a 17th-century conflict in which Portugal fought to regain and secure its independence from Spanish rule, leading to the reestablishment of the Portuguese monarchy under the House of Braganza.
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: Thirty Years' Peace
Target entity description: The Thirty Years' Peace was a mid-5th century BCE agreement between Athens and Sparta intended to stabilize Greek interstate relations and delay renewed large-scale conflict between their rival alliances.

A. Twelve Years' Truce
The Twelve Years' Truce was a temporary ceasefire (1609–1621) between Spain and the Dutch Republic that effectively recognized Dutch independence and paused the Eighty Years' War.
B. Peace of Westphalia
The Peace of Westphalia was the series of 1648 treaties that ended the Thirty Years' War in Europe and is often credited with establishing the foundations of the modern system of sovereign nation-states.
C. League of Augsburg
The League of Augsburg, also known as the Grand Alliance, was a late 17th-century coalition of European powers formed to oppose the expansionist policies of Louis XIV’s France.
D. Thirty Years' War
The Thirty Years' War was a devastating 17th-century European conflict, largely fought in the Holy Roman Empire, that intertwined religious and political struggles and reshaped the continent’s balance of power.
E. Restoration War
The Restoration War was a 17th-century conflict in which Portugal fought to regain and secure its independence from Spanish rule, leading to the reestablishment of the Portuguese monarchy under the House of Braganza.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	ancient Greek treaty ⓘ armistice agreement ⓘ bilateral treaty ⓘ peace treaty ⓘ
appliesToJurisdiction	Delian League ⓘ surface form: Athenian Empire Spartan hegemony in the Peloponnese ⓘ
causeOf	temporary reduction in large-scale warfare between Athens and Sparta ⓘ
concludedAfter	First Peloponnesian War ⓘ
conflictTypePrevented	large-scale interstate conflict ⓘ war between Delian League and Peloponnesian League ⓘ
describedBySource	History of the Peloponnesian War ⓘ surface form: Thucydides' History of the Peloponnesian War
duration	approximately 15 years ⓘ
effect	formal recognition of existing spheres of influence ⓘ temporary delay of renewed large-scale conflict ⓘ
endTime	431 BCE ⓘ
followedBy	Peloponnesian War ⓘ
goal	to formalize the balance of power between rival alliances ⓘ to prevent large-scale interstate war ⓘ to stabilize relations between Athens and Sparta ⓘ
hasParties	Athens ⓘ Delian League ⓘ Peloponnesian League ⓘ Sparta ⓘ
historicalPeriod	Classical period of ancient Greece ⓘ
language	Ancient Greek ⓘ
locatedIn	Greek world ⓘ Greek Antiquity ⓘ surface form: ancient Greece
mainSubject	alliance system regulation ⓘ non-aggression between Athens and Sparta ⓘ
precededBy	earlier truces between Athens and Sparta ⓘ
reasonForEnd	Peloponnesian War ⓘ surface form: outbreak of the Peloponnesian War
relatedEvent	First Peloponnesian War ⓘ Peloponnesian War ⓘ
relatedTo	Athenian imperial expansion ⓘ Spartan leadership of the Peloponnesian League ⓘ
signatory	polis of Athens ⓘ surface form: Athenian polis Spartan polis ⓘ
significantFor	Greek interstate relations ⓘ history of classical Greece ⓘ
startTime	445 BCE ⓘ 446 BCE ⓘ
stipulated	binding arbitration of disputes ⓘ mutual non-interference in each other's alliances ⓘ return of certain disputed territories ⓘ
temporalContext	mid-5th century BCE ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Peloponnesian War → treaty → Thirty Years' Peace ⓘ

First Peloponnesian War → result → Thirty Years' Peace ⓘ

this entity surface form: Thirty Years’ Peace

First Peloponnesian War → concludedBy → Thirty Years' Peace ⓘ