The Eight Books of Thucydides' History, translated by R. Crawley.
Summer was now over. The winter following the Lacedaemonians, hearing of the walls that were building, marched against Argos with their allies, the Corinthians excepted, being also not without intelligence in the city itself; Agis, son of Archidamus, their king, was in command. The intelligence which they counted upon within the town came to nothing; they however took and razed the walls which were being built, and after capturing the Argive town Hysiae and killing all the freemen that fell into their hands, went back and dispersed every man to his city. After this the Argives marched into Phlius and plundered it for harbouring their exiles, most of whom had settled there, and so returned home. The same winter the Athenians blockaded Macedonia, on the score of the league entered into by Perdiccas with the Argives and Lacedaemonians, and also of his breach of his engagements on the occasion of the expedition prepared by Athens against the Chalcidians in the direction of Thrace and against Amphipolis, under the command of Nicias, son of Niceratus, which had to be broken up mainly because of his desertion. He was therefore proclaimed an enemy. And thus the winter ended, and the fifteenth year of the war ended with it.
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