(Βᾶς), king of Bithynia, reigned fifty years, from B. C. 376 to 326, and died at the age of 71. He succeeded his father Boteiras, and was himself succeeded by his own son Zipoetes. He defeated Calantus, the general of Alexander, and maintained the independence of Bithynia. (Memnon, 100.20, ed. Orelli.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890