Dahae

…an attack by the nomadic Dahae and Śakas, a rebellion of the Hyrcanians, an invasion by Alani tribesmen in Media and Armenia, and the usurpation of his son Vardanes II. Vologeses’ reign was also marked by a decided reaction against Hellenism; he built Vologesias near Ctesiphon with the intention of…

…in the confederacy of the Dahae living east of the Caspian Sea; its members founded the Parthian empire. After the death of Alexander the Great (323 bc) the Parni apparently moved southward into the region of Parthia and perhaps eastward into Bactria. They seem to have adopted the speech of…

…(a member tribe of the Dahae confederation) must have begun his struggle against the Seleucids from 247 bce, the year from which the Parthians dated their history. This does not necessarily mean that Arsaces was crowned king in 247. Other Iranian dynasties (e.g., the Sāsānids; see below The Sāsānian period)…

…to take refuge with the Dahae, who helped him win back his throne. In 37 a meeting with a representative of Rome on a bridge in the middle of the Euphrates allowed an agreement to be reached that maintained the status quo in Armenia and recognized Parthian sovereignty with the…