What happened on this land around c. 1–300 CE?

Transition from Parthian to Sasanian; centralization of power; revival of Zoroastrian imperial ideology.
Rulers
Parthian Empire
until 224 CE
Parthians maintain control until overthrown by Sasanians.
Sasanian Empire
224–651 CE
Founded by Ardashir I after defeating Artabanus V.
Battles
Battle of Hormozdgan
224 CE
Ardashir I defeats Artabanus V, ending Parthian rule.