History of the Peloponnesian War

At the close of the same summer, Evetion, an Athenian general, having in concert with Perdiccas marched against Amphipolis with a numerous body of Thracians, did not take the city, but after bringing round some triremes into the Strymon, blockaded it from the river, making his approaches from Himeraeum. And thus the summer ended.