Their chief colonies in this sea were Astacus and Heraclea in Bithynia, and another Heraclea in the Crimea.
He was chosen emperor in his forty-third year by the officers of the army at Nicaea in Bithynia in 364, and shortly afterwards named his brother Valens colleague with him in the empire.
When Antony assumed the dominion of the East after the defeat of Cassius at Philippi, an embassy of the Jews, amongst other embassies, approached him in Bithynia and accused the sons of Antipater as usurpers of the power which rightly belonged' to Hyrcanus.
In Asia Minor he was unable to reduce Bithynia or the Persian dynasties which ruled in Cappadocia.
Having thus recovered the central part of Asia Minor - for the dynasties in Pergamum, Bithynia and Cappadocia the Seleucid government was obliged to tolerate - Antiochus turned to recover the outlying provinces of the north and east.