History of the Peloponnesian War

And not long after, Lamachus that was gone into Pontus, as he lay at anchor in the river Calex in the territory of Heracleia, much rain having fallen above in the country and the stream of a land flood coming suddenly down, lost all his galleys and came himself and his army through the territory of the Bithynians (who are Thracians dwelling in Asia on the other side) to Chalcedon, a colony of the Megareans in the mouth of Pontus Euxinus, by land.

The same summer likewise Demosthenes, general of the Athenians, with forty galleys, presently after his departure out of Megaris, sailed to Naupactus.