Sorry - I didn’t mean to sound like a jerk. I was actually curious about what you meant (maybe I was too succinct). I had always thought that Rome and Parthia had clashed, but not in a real serious way - like say, Carthage.
In many ways the Rome-Parthia clash was serious, almost like Rome-Carthage, but at a different level (during the Punic wars Rome was still a first rate power, not the superpower it became) as both were superpowers in their own rights