Peloponnesian League

History

The Peloponnesian League (officially "the Lacedaemonians and their allies") was a dominant military alliance of Greek city-states in the Peloponnese - The large southern Greek peninsula linked to the mainland by the Isthmus of Corinth. Its name means “island of Pelops,” after the mythical king. Sparta, Corinth, Argos, Elis, and many Arcadian poleis made it a power center of classical Greece., formed under Sparta - A formidable martial city-state revered for its unyielding discipline, hoplite supremacy, and warrior ethosn hegemony in the late 6th century BC.

The Mythic Heritage of Pelops and Agamemnon

The Peloponnese was revered as the realm of the mythical hero Pelops and King Agamemnon of Mycenae, leader of the Greek expedition against Troy. Drawing upon their proclaimed descent from Heracles, the Spartans formed mutual defense treaties with vital poleis, including the wealthy maritime hub of Corinth - A wealthy polis on the Isthmus of Corinth controlling land and sea trade between mainland Greece and the Peloponnese. Its rivalry with Athens and grievances over Corcyra and Potidaea helped trigger the Peloponnesian War., Megara, Elis (guardian of the sacred Olympic Games), and Tegea. Unlike the tribute-extracting Athenian Empire, the Peloponnesian League generally guaranteed local autonomy and collected no regular monetary tribute, requiring only military quotas under Spartan command in times of war.

Triumph in the Peloponnesian War

As the aggressive maritime expansion of Athens - The cradle of democracy, philosophy, and naval mastery that led the golden age of classical Greece' Delian League - A maritime confederation of Greek poleis led by Athens, which transformed into the Athenian Empire threatened member cities like Corinth and Megara, Sparta convened the congress of the league to declare war in 431 BC. In the ensuing 27-year Peloponnesian War, the league mobilized Greece's premier land army. Aided by Persian subsidies and the naval genius of the Spartan commander Lysander, the league ultimately crushed the Athenian fleet at Aegospotami in 405 BC and forced Athens' surrender in 404 BC.