The Columbia Encyclopedia, Sixth Edition. 2001-07.
Tiridates, king of Parthia
(tr´´d´tz) (KEY) , d. 211 B.C., king of Parthia (c.248211 B.C.), 2d ruler of the Arsacid dynasty (see under Arsaces). He absorbed Hyrcania and, with the ruler of Bactria, successfully resisted the attacks of Seleucus II of Syria.