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Peloponnesian League

military alliance in Ancient Greece

6 dated entries naming Peloponnesian League, drawn from 6 separate years between 457 BCE and 387 BCE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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5th century BC

  • 457 BCEAthens, the leader of the Delian League, comes into conflict with Corinth and its ally Sparta (leader of the Peloponnesian League) over Megara. Nicomedes of Sparta, regent for King Pleistoanax, leads an army of 11,500 hoplites into Boeotia to help Thebes put down a rebellion by Phocis.source
  • 445 BCEPericles, concerned over the draining effect of years of war on Athenian manpower, looks for peace with the support of the Assembly. Athenian diplomat, Callias, goes to Sparta and after much bargaining arranges a peace treaty with Sparta and her Peloponnesian allies, thus extending the 5 year truce of 451 BC for another 30 years. According to this treaty, Megara is to be returned to the Peloponnesian League, Troezen and Achaea become independent, Aegina is to become a tributary to Athens but autonomous, and disputes are to be settled by arbitration. Each party agrees to respect the alliances of the other.source
  • 440 BCESamos, an autonomous member of the Delian League and one of Athens' principal allies with a substantial fleet of its own, quarrels with Miletus. Miletus, also a member of the Delian League, appeals to Athens for assistance. Pericles decides in favour of Miletus, so Samos revolts. Pericles then sails to Samos with a fleet to overthrow its oligarchic government and install a democratic one. Sparta threatens to interfere. However, at a congress of the Peloponnesian League, its members vote not to intervene on behalf of Samos against Athens.source
  • 432 BCESparta calls and hosts a conference of the Peloponnesian League. The conference is attended by Athenian representatives as well as members of the League. Following arguments by Corinth against Athens, a majority of the League members vote to declare that the Athenians had broken the peace.source
  • 431 BCEThe Spartans, led by King Archidamus II, invade Attica effectively starting the first phase of the Peloponnesian War, actually the second of such wars, between the Athens-led Delian League and the Sparta-led Peloponnesian League. The Spartans lay waste to the countryside around Athens. Athenian leader, Pericles, does not seriously oppose them, rather withdrawing the rural population of the country districts within Athens' city walls. Instead, he pursues active naval warfare and reduces any danger from the island of Aegina by replacing its native population with Athenians.source

4th century BC

  • 387 BCEUnder the threat of Spartan intervention, Thebes disbands its league, and Argos and Corinth end their shared government. Corinth is incorporated back into Sparta's Peloponnesian League.source

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