History of the Peloponnesian War
Thucydides
Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.
In this way they gave up the city, and on the evening of the same day Thucydides and his ships sailed into Eion.
Brasidas had just got possession of Amphipolis, and he missed taking Eion only by a night; for if the ships had not come to the rescue with all speed, it would have been taken at dawn.