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479 BCE - 478 BCE: Combined Greek operations in the Hellespont and Cyprus.
478 BCE - 404 BCE: The Delian League in Greece, led by Athens.
478 BCE: Many Cycladic states join the Athenian led Delian League as a defence against Persian agression.
478 BCE - 454 BCE: The treasury of the Delian League is kept on Delos until its removal to Athens.
477 BCE: Athenians take control of joint operations: formation of Delian League. First assessment of contributions by Aristides, an Athenian.
477 BCE - 474 BCE: Delian League operations carried out by Cimon, son of Miltiades, victor of Marathon.
472 BCE: Carystos forced to join League.
470 BCE - 469 BCE: Attempted secession of Naxos from the Delian League. It is defeated and enslaved.
467 BCE: The island of Naxos rebels against Athenian dominance of the Delian League.
465 BCE: Secession of Thasos.
464 BCE - 463 BCE: Earthquake in Sparta, followed by slave revolt. Surrender of Thasos.
462 BCE - 461 BCE: Radicalisation of democracy in Athens; Cimon exiled, Pericles comes to exercise influence.
460 BCE - 459 BCE: Megara switches sides to Athens; outbreak of war with the Peloponnesians – Athenians initially victorious.
457 BCE - 454 BCE: Large expedition to Egypt, to aid rebels against Persian rule.
456 BCE - 455 BCE: Athenians spread their power in northern Peloponnese.
454 BCE: Failure of Egyptian expedition; some League members unsuccessfully revolt. Removal of League treasury from Delos to Athens.
451 BCE - 450 BCE: Peace between Argos and Sparta. Athens and Sparta conclude five-year truce.
447 BCE - 446 BCE: Boeotian cities revolt against Athens. Secessions in Euboea and Megara.
446 BCE - 445 BCE: Spartans invade Attica. Thirty Years’ Peace between Athens and Sparta.
441 BCE: Revolt of Samos.
436 BCE - 435 BCE: Expedition of Pericles into the Black Sea. Corcyra/Epidamnus affair draws in Corinth and the Athenians.
433 BCE - 432 BCE: Athens concludes treaties with Italiot and Siceliot cities. Megarian decree commercially isolates Megara.
432 BCE: Secession of Potidaea involves Corinthians.
431 BCE - 404 BCE: The 2nd Peloponnesian War between Athens and Sparta (the Delian League and the Peloponnesian League) which involved all of Greece.
428 BCE - 427 BCE: Unsuccessful secession of Mytilene.
427 BCE: First Athenian expedition to Sicily.
421 BCE: Peace of Nicias, a truce between the Delian and Peloponnesian Leagues.
421 BCE - 416 BCE: ‘Cold war’ between Athens and Corinth.
415 BCE - 413 BCE: Great Athenian expedition to Sicily ends in failure.
413 BCE: Wholesale revolt of League members; War recommences. Spartans and Corinthians gain advantage from League seccessions and help from the Persians.
404 BCE: Athens loses War; League dissolved.