Megarian Decree imposed by Athens
E316428
The Megarian Decree imposed by Athens was an economic sanctions measure that barred Megara from Athenian markets and ports, heightening tensions with Sparta and contributing to the outbreak of the Peloponnesian War.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Megarian Decree | 2 |
| Megarian Decree (Athenian sanctions on Megara) | 1 |
| Megarian Decree imposed by Athens canonical | 1 |
| Megarian exclusion decree | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2984387 — 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.
Target entity: Megarian Decree imposed by Athens Context triple: [Archidamian War, hasCause, Megarian Decree imposed by Athens]
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A.
Peisistratid tyranny in Athens
The Peisistratid tyranny in Athens was a period of autocratic rule by the Peisistratid family in the 6th century BCE that laid important groundwork for later Athenian democracy.
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B.
Periclean building program
The Periclean building program was an ambitious 5th-century BCE Athenian public works initiative that transformed the Acropolis with monumental structures like the Parthenon, symbolizing the city’s political power and cultural achievement.
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C.
Delian League
The Delian League was an ancient Greek alliance of city-states led by Athens, originally formed to continue the fight against the Persian Empire and later becoming the basis of Athenian imperial power.
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D.
Ionian Revolt
The Ionian Revolt was an early 5th-century BCE uprising of Greek city-states in Asia Minor against Persian rule that helped spark the wider Greco-Persian Wars.
-
E.
Charter of Athens
The Charter of Athens is a landmark 1933 urban planning manifesto associated with the modernist movement, advocating functional zoning and rational city design principles.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Megarian Decree imposed by Athens Target entity description: The Megarian Decree imposed by Athens was an economic sanctions measure that barred Megara from Athenian markets and ports, heightening tensions with Sparta and contributing to the outbreak of the Peloponnesian War.
-
A.
Peisistratid tyranny in Athens
The Peisistratid tyranny in Athens was a period of autocratic rule by the Peisistratid family in the 6th century BCE that laid important groundwork for later Athenian democracy.
-
B.
Periclean building program
The Periclean building program was an ambitious 5th-century BCE Athenian public works initiative that transformed the Acropolis with monumental structures like the Parthenon, symbolizing the city’s political power and cultural achievement.
-
C.
Delian League
The Delian League was an ancient Greek alliance of city-states led by Athens, originally formed to continue the fight against the Persian Empire and later becoming the basis of Athenian imperial power.
-
D.
Ionian Revolt
The Ionian Revolt was an early 5th-century BCE uprising of Greek city-states in Asia Minor against Persian rule that helped spark the wider Greco-Persian Wars.
-
E.
Charter of Athens
The Charter of Athens is a landmark 1933 urban planning manifesto associated with the modernist movement, advocating functional zoning and rational city design principles.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Athenian decree
ⓘ
cause of international crisis ⓘ economic sanctions measure ⓘ |
| aimedAt |
deterring Megarian support for Sparta
ⓘ
forcing Megara to change its policies ⓘ |
| alsoKnownAs |
Megarian Decree imposed by Athens
ⓘ
surface form:
Megarian Decree
Megarian Decree imposed by Athens ⓘ
surface form:
Megarian exclusion decree
|
| approximateDate | shortly before 431 BCE ⓘ |
| conflictContext | Peloponnesian War ⓘ |
| consequence |
increased hostility in Greek interstate system
ⓘ
served as a casus belli cited by Sparta ⓘ |
| contributedTo | Peloponnesian War ⓘ |
| demandedRevocationBy | Sparta ⓘ |
| geographicScope |
Athenian markets
ⓘ
Athenian ports ⓘ Athenian-controlled harbors of the Delian League ⓘ |
| hasEffect |
contributed to outbreak of Peloponnesian War
ⓘ
deterioration of relations between Athens and Megara ⓘ economic blockade of Megara ⓘ economic hardship for Megara ⓘ exclusion of Megarian merchants from Athenian markets ⓘ exclusion of Megarian ships from Athenian-controlled ports ⓘ heightened tensions between Athens and Sparta ⓘ |
| historicalInterpretation |
considered an example of economic warfare in classical Greece
ⓘ
seen as a key grievance of Sparta against Athens ⓘ |
| implementedBy |
Athenian navy
ⓘ
Athenian polis ⓘ |
| imposedBy | Athens ⓘ |
| legalForm | decree of the Athenian Assembly ⓘ |
| mentionedInSource |
History of the Peloponnesian War
ⓘ
surface form:
Thucydides' History of the Peloponnesian War
|
| motivatedBy |
Athenian desire to pressure Megara
ⓘ
Athenian desire to weaken a Spartan ally ⓘ Athenian strategic interests ⓘ |
| opposedBy |
Peloponnesian League
ⓘ
Sparta ⓘ |
| partOf | Athenian foreign policy toward Peloponnesian League ⓘ |
| politicalContext | rivalry between Athenian Empire and Peloponnesian League ⓘ |
| region |
Greek Antiquity
ⓘ
surface form:
ancient Greece
|
| relatedTo |
Athenian control of the Delian League
ⓘ
Athenian trade policy ⓘ Spartan ultimata before the Peloponnesian War ⓘ |
| subjectOf | modern scholarly debate on causes of Peloponnesian War ⓘ |
| targetedEntity | Megara ⓘ |
| timePeriod | 5th century BCE ⓘ |
| typeOfSanction |
port access ban
ⓘ
trade embargo ⓘ |
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.
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.
Subject: Megarian Decree imposed by Athens Description of subject: The Megarian Decree imposed by Athens was an economic sanctions measure that barred Megara from Athenian markets and ports, heightening tensions with Sparta and contributing to the outbreak of the Peloponnesian War.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.