The exact period that Artabanus I reigned is disputed. According to (Shayegan 2011, hlm. 41-42), his reign was 127-125 BC; (Curtis 2007, hlm. 11, 15) states 127-124/3 BC; (Schippmann 1986a, hlm. 525–536) states 127-124/3 BC; (Daryaee 2011, hlm. 170) states 126-123/2 BC. Curtis, Vesta Sarkhosh (2007), "The Iranian Revival in the Parthian Period", dalam Curtis, Vesta Sarkhosh and Sarah Stewart (ed.), The Age of the Parthians: The Ideas of Iran, vol. 2, London & New York: I.B. Tauris & Co Ltd., in association with the London Middle East Institute at SOAS and the British Museum, hlm. 7–25, ISBN978-1-84511-406-0. Schippmann, K. (1986a). "Artabanus (Arsacid kings)". Encyclopaedia Iranica, Vol. II, Fasc. 6. hlm. 647–650.