sentences:  After the Battle of Aegospotami (405 BC), Thasos again fell into the hands of the Lacedaemonians under Lysander who formed a decarchy there; but the Athenians must have recovered it, for it formed one of the subjects of dispute between them and Philip II of Macedonia.In the embroilment between Philip V of Macedonia and the Romans, Thasos submitted to Philip, but received its freedom at the hands of the Romans after the Battle of Cynoscephalae (197 BC), and it was still a "free" state in the time of Pliny.Thasos was part of the Eastern Roman Empire, now known as the Byzantine Empire, from 395 on.