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)

How this entity was disambiguated

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

Referenced by (5)

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

Archidamian War hasCause Megarian Decree imposed by Athens
Battle of Potidaea relatedTo Megarian Decree imposed by Athens
this entity surface form: Megarian Decree
Battle of Sybota followedBy Megarian Decree imposed by Athens
this entity surface form: Megarian Decree (Athenian sanctions on Megara)
Megarian Decree imposed by Athens alsoKnownAs Megarian Decree imposed by Athens
this entity surface form: Megarian Decree
Megarian Decree imposed by Athens alsoKnownAs Megarian Decree imposed by Athens
this entity surface form: Megarian exclusion decree