The classical period is flanked by the two confrontations of Greece and Persia, one in 481-480 B.C., with the invasion of Persia and the other in 333-323, with the expedition of Alexander the Great and the conquest of the Persian Empire. 499 Ionian revolt
492 First Persian Invasion-Mardonios
490 Darius' Expedition.
480 Xerxes' Expedition. Athens sacked and burned. Persian fleet defeated at Salamis.
477 Delian League set up under Athenian leadership
454 The Delian League Treasury moved to Athens
445 Thirty-year Peace with the Spartans-Pericles undistructed to create the Athenian Hegemony.
444 Money from the Delian League Treasury used by Pericles for public works in Athens
443 Thucydides' ostracism.
449 Peace between Persians and Greeks.
447-432 Parthenon built
438 The Propylaea
431-404 The Peloponnesian war.
429 Pericles dies of the plague
413 Athenians defeated in Syracusae, Sicily
404 End of the Athenian Empire.