Battle of Ecbatana Antiochus then dispersed his army into their winter quarters. However, the cities soon revolted against their presence. Phraates exploited the situation and attacked him as he marched to reinforce a garrison, inflicting a crushing defeat upon him at the Battle of Ecbatana. During the battle, Antiochus VII was killed and his royal guard was annihilated. After this, the rest of his army was largely destroyed, and the remainder was captured and folded into Parthian ranks. This battle marked the decisive and final defeat for the Seleucid Empire by the Parthians and ended the Hellenistic period in Iran. Battle of Ecbatana
Olba (ancient city) Olba (ancient city) Olba () was an ancient city and bishopric in the Roman province of Isauria, in present-day southern Turkey. It is included in the Catholic Church's list of Latin titular sees. Olba was a city of Cetis in Cilicia Aspera, later forming part of Isauria; it had a temple of Zeus, whose priests were once kings of the country, and became a Roman colony. Strabo (XIV, 5, 10) and Ptolemy (V, 8, 6) call it Olbasa. A coin of Diocæsarea, Olbos; Hierocles ("Synecdemus", 709), Olbe; Basil of Seleucia (Mirac. S.Theclæ, 2, 8) and the Greek "Notitiæ episcopatuum", Olba.