Peloponnesian League Timeline

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  • c. 550 BCE - c. 366 BCE
    Peloponnesian League alliance between Sparta, Corinth, Elis and Tegea which establishes Spartan hegemony over the Peloponnese.
  • 494 BCE - 493 BCE
    Spartan forces under Cleomenes I attack the city of Argos.
  • 494 BCE - 493 BCE
    Telesilla of Argos defends her city against the Spartan forces with an army of women.
  • c. 490 BCE
    Leonidas beomes one of Sparta's two kings.
  • Aug 480 BCE
    Battle of Thermopylae. 300 Spartans under King Leonidas and other Greek allies hold back the Persians led by Xerxes I for three days but are defeated.
  • 479 BCE
    Xerxes' Persian forces are defeated by Greek forces at Plataea effectively ending Persia's imperial ambitions in Greece.
  • 478 BCE
    Sparta withdraws from alliance against Persia.
  • 464 BCE - 463 BCE
    Earthquake in Sparta, followed by slave revolt. Surrender of Thasos.
  • 460 BCE - 445 BCE
  • 432 BCE
    Sparta declares that Athens has broken the Thirty Year Peace and prepares for war.
  • 431 BCE - 404 BCE
    The 2nd Peloponnesian War between Athens and Sparta (the Delian League and the Peloponnesian League) which involved all of Greece.
  • 429 BCE
    Peloponnesian forces led by Sparta begin the siege of Plataea.
  • 427 BCE
    Plataea finally falls to the Spartans after a two year siege.
  • 424 BCE
    Spartan general Brasidas takes Amphipolis, Thucydides failed to prevent this and is exiled.
  • 424 BCE
    Spartan Brasidas' campaign in Thrace.
  • 424 BCE
    A force of Athenian peltasts defeat Spartan hoplites on Sphaktria in the Peloponnese.
  • 422 BCE
    Spartan general Brasidas employs Myrkinian and Chalkidian peltasts to defeat a force of Athenian hoplites at Amphipolis.
  • 421 BCE
    Spartan soldiers return from campaigning Thrace, some as Neodamodeis.
  • 420 BCE
    Sparta is excluded from the Olympic Games for breaking the ekecheiria or sacred truce.
  • 418 BCE
    Sparta, led by Agis II, defeats Argos and her allies at the battle of Mantinaea.
  • 413 BCE
    On the advice of Alcibiades the Spartans take over the Athenian-held fort of Dekeleia.
  • 412 BCE
    Sparta allies with Persia.
  • 410 BCE
    Alcibiades leads the Athenian fleet to victory over Sparta at Cyzicus.
  • c. 407 BCE
    The Athenian fleet is defeated by Lysander of Sparta at Notium.
  • 404 BCE
    Spartan general Lysander attacks the Athenian port of Piraeus destroying parts of the Long Wall fortifications.
  • c. 398 BCE
    Xenophon works as mercenary for Sparta.
  • 395 BCE - 386 BCE
    The Corinthian Wars between Sparta and an alliance of Athens, Corinth, Argos, Boeotia and Thebes.
  • 394 BCE
    Spartan king Agesilaus II defeats a Theban coalition at the battle of Coronea.
  • 390 BCE
    Athenian leader Iphikrates employs peltasts to defeat Spartan hoplites at Lechaion near Corinth.
  • 387 BCE
    Sparta attacks the Athenian port of Piraeus.
  • 382 BCE - 379 BCE
    Sparta establishes a garrison at Thebes.
  • 378 BCE - 377 BCE
    Spartan king Agesilaus II campaigns in Boeotia.
  • 377 BCE - 355 BCE
    The Cycladic city states join Athens in the Second Athenian League against Sparta .
  • 375 BCE
    Thebes defeats Sparta at the Battle of Tegyra.
  • 371 BCE
    Thebes, led by Epaminondas, defeats Sparta in the Battle of Leuctra.