Nicomedes I became the first to assume the title of king (c.278 - c.248 BC) of Bithynia. This monarch founded Nicomedia, which soon rose to great prosperity.
The Gauls broke into Asia Minor, and a victory which Antiochus I Soter won over these hordes is said to have been the origin of his title of Soter (Gr. for "saviour").
Shouchun (modern Shou County) in central Anhui became a refugee capital for the state of Chu after its heartlands in modern Hubei province were overrun by the powerful state of Qin in the west.