Region: Southern Europe · Coordinates: 37.985, 23.340 · 11 events
| Year | Source | Account |
|---|---|---|
| 479 BC | Herodotus, Histories | Mardonius attacks Megara, then returns to Boeotia by way of Decelea |
| 460 BC | Thucydides, History of the Peloponnesian War | Megara leaves the Spartan alliance for Athens, and Athens builds long walls to Nisaea and garrisons them, deepening Corinth's grudge |
| 458 BC | Thucydides, History of the Peloponnesian War | Corinthian troops crossing Geraneia to attack Megara are stopped by Athens' old and young men under Myronides, who win |
| 449 BC | Diodorus Siculus, Library of History | Megara broke away from Athens and allied with Sparta. |
| 446 BC | Thucydides, History of the Peloponnesian War | Megara revolts and kills the Athenian garrison; a few escape to Nisaea |
| 431 BC | Thucydides, History of the Peloponnesian War | Pericles invades Megarian territory with the entire Athenian army, the largest ever |
| 424 BC | Thucydides, History of the Peloponnesian War | The insider opens the gate, Demosthenes rushes in and takes the long walls, and the Peloponnesian garrison flees to Nisaea |
| 424 BC | Thucydides, History of the Peloponnesian War | Brasidas asks to enter Megara with 300 men, but both factions refuse |
| 424 BC | Thucydides, History of the Peloponnesian War | Boeotian and Athenian cavalry skirmish before Nisaea, with no clear winner |
| 424 BC | Thucydides, History of the Peloponnesian War | When Athens withdraws rather than face an allied army of 6,000, Megara opens its gates to Brasidas |
| 424 BC | Thucydides, History of the Peloponnesian War | The returned oligarchs put about 100 opponents to death by open vote and establish an oligarchy |