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
Histria (ancient city) to the Black Sea gradually was cut. Trade continued until the 6th century AD. The invasion of the Avars and the Slavs in the 7th century AD almost entirely destroyed the fortress, and the Istrians dispersed; the name and the city disappeared. Ancient Histria was situated on a peninsula, about east of the modern Romanian commune of Istria, on the Dobruja coast. The ancient seashore has since been transformed into the western shore of Sinoe Lake, as the Danube's silt deposits formed a shoal which closed off the ancient coastline. The current Sinoe Lake was at the time the open