 Theramenes and another general remained at this fort with a garrison of thirty ships to oversee the collection of the duty.At Athens, meanwhile, the government of the 5,000 was replaced by a restored democracy within a few months of this battle; Donald Kagan has suggested that the absence of Theramenes, "the best spokesman for the moderates", paved the way for this restoration.According to Diodorus and Plutarch, Theramenes participated under the command of Alcibiades to the siege of Byzantium (408 BC), winning the battle against the Peloponnesian army that was appointed to defend that city