This was the fourth time that Dorians had come into Attica [23.5,38.83] (department), Central Greece and Euboea, Greece, Europe Attica. They had come twice as invaders in war and twice as helpers of the Athenian people. The first time was when they planted a settlement at +Megara [23.35,38] (Perseus) Megara There is a clear tradition that this happened soon after the Dorian invasion of the +Peloponnese [22,37.5] (region), Greece, Europe Peloponnese.(this expedition may rightly be said to have been in the reign of Codrus), the second and third when they set out from Sparta [22.4417,37.0667] (Perseus) Sparta to drive out the sons of Pisistratus, and the fourth was now, when Cleomenes broke in as far as +Eleusis [23.5583,38.0417] (Perseus) Eleusis with his following of Peloponnesians. This was accordingly the fourth Dorian invasion of Athens [23.7333,37.9667] (Perseus)Athens.