According to the Roman historian Herodian, the imperial Parthian army led by Emperor Artabanus IV of Parthia, reformed many of their armies and units resulting in the emergence of a new force of camel mounted cataphracts.
•
One of the first deployments of Sassanian grivpanvar occurred at the Battle of Edessa in 259 AD, where a powerful army of Sassanians led by the emperor Shapur I came under assault from Roman sovereign Valerian's soldiers, including the renowned and elite imperial Praetorian Guard.
•
Heavy grivpanvar knights appeared in many of the later Parthian and Sassanian battles, with one of the best-known encounters of the Parthian grivpanvar occurring at the Battle of Nisibis in 217 against the Roman army of Emperor Macrinus.