History of the Peloponnesian War

and though for six years and ten months they abstained from invasion of each other's territory, yet abroad an unstable armistice did not prevent either party doing the other the most effectual injury, until they were finally obliged to break the treaty made after the ten years' war and to have recourse to open hostilities.

The history of this period has been also written by the same Thucydides, an Athenian, in the chronological order of events by summers and winters, to the time when the Lacedaemonians and their allies put an end to the Athenian empire, and took the Long Walls and Piraeus. The war had then lasted for twenty-seven years in all.