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The Roman–Parthian War of 58–63 was fought between the Roman Empire and the Parthian Empire over control of Armenia, a vital buffer state between the two realms. Armenia had been a Roman client state since the days of Emperor Augustus, but in 52/53, the Parthians succeeded in installing their own candidate, Tiridates, on the Armenian throne. These events coincided with the accession of Nero to the imperial throne in Rome, and the young emperor decided to react vigorously. The war, which was the only major foreign campaign of his reign, began with rapid success for the Roman forces, led by the able general Gnaeus Domitius Corbulo. They overcame the forces loyal to Tiridates, installed their own candidate, Tigranes VI, on the Armenian throne, and left the country. The Romans were aided by the fact that the Parthian king Vologases was embroiled in the suppression of a series of revolts in his own country. As soon as these had been dealt with, however, the Parthians turned their attention to Armenia, and after a couple of years of inconclusive campaigning, inflicted a heavy defeat on the Romans in the Battle of Rhandeia. The conflict ended soon after, in an effective stalemate and a formal compromise: a Parthian prince of the Arsacid line would henceforth sit on the Armenian throne, but his nomination had to be approved by the Roman emperor.〔Bivar (1968), p. 85〕 This conflict was the first direct confrontation between Parthia and the Romans since Crassus' disastrous expedition and Mark Antony's campaigns a century earlier, and would be the first of a long series of wars between Rome and Iranian powers over Armenia (see Roman–Persian Wars).〔Bivar (1968), p. 80〕 == Background == Ever since the expanding Roman Republic and the Parthian Empire had come into contact in the mid-1st century BC, there had been friction between the two great powers over the control of the various states lying between them. The largest and most important of these was the Kingdom of Armenia. In 20 BC, Augustus succeeded in establishing a Roman protectorate over the country, when Tigranes III was enthroned as king of Armenia. Roman influence was secured through a series of Roman-sponsored kings until 37 AD, when a Parthian-supported candidate, Orodes, assumed the throne. The Roman-supported king, Mithridates, recovered his throne with the support of Emperor Claudius in 42 AD,〔Bivar (1968), p. 76〕 but was deposed in 51 AD by his nephew Rhadamistus of Iberia. His rule quickly became unpopular however, and this gave the newly crowned king Vologases I of Parthia the opportunity to intervene.〔Bivar (1968), p. 79〕 His forces quickly seized the two capitals of Armenia, Artaxata and Tigranocerta, and put his younger brother Tiridates on the throne. The onset of a bitter winter and the outbreak of an epidemic forced the Parthians forces to withdraw, allowing Rhadamistus to retake control of the country.〔Bivar (1968), p. 79〕 His behavior towards his subjects, however, was even worse than before, and they rose in rebellion against him. Thus in 54 AD Rhadamistus fled to his father's court in Iberia, and Tiridates re-established himself in Armenia.〔〔Tacitus, ''Annales'' XII.50–51〕 In the same year, in Rome, Emperor Claudius died and was succeeded by his stepson Nero. The Parthian encroachment in an area regarded as lying within the Roman sphere of influence worried the Roman leadership, and was widely seen as a major test of the new emperor's ability.〔Tacitus, ''Annales'' XIII.6〕 Nero reacted vigorously, appointing Gnaeus Domitius Corbulo, a general who had distinguished himself in Germania and now served as governor of Asia, to supreme command in the East.〔Tacitus, ''Annales'' XIII.7–8〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Roman–Parthian War of 58–63」の詳細全文を読む スポンサード リンク
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