id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-3400 Roman–Iranian relations - Wikipedia .html text/html 1866 185 61 Initially commencing as a rivalry between the Parthians and Rome, from the 3rd to mid-7th centuries the Roman Empire (later the Byzantine Empire) and its rival Sassanid Persia were recognized as two of the leading powers in the world.[1][2] Relations during the Julio-Claudian dynasty[edit] The next half century saw relations between the two nations antagonistic but not overtly hostile, with the Romans unsuccessfully supporting a series of pretender kings, including Claudius in 49 CE, indicating the extent to which Rome was attempting to influence Parthian politics for its own ends. The ensuing war was ended by a compromise which allowed the Parthian prince Tiridates and his descendants to reign in Armenia on condition that he and his successors received their crown from the Roman emperor and ruled as his clients. Relations during the Flavian dynasty[edit] Roman-Parthian Wars Roman-Parthian Wars ./cache/en-wikipedia-org-3400.html ./txt/en-wikipedia-org-3400.txt