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Osrūshana ((ペルシア語:اسروشنه)) or Oshrūsana (Persian اُشروسنه - Ošrūsana), also known as Istarawshan (at present) Sudujshana, Usrushana, Ustrushana, Eastern Chao, was a former Iranian region〔C. Edmund Bosworth (2005), "Osrušana", in ''Encyclopaedia Iranica''. Online Accessed November 2010 () Quote 1: "The region was little urbanized, and it long preserved its ancient Iranian feudal and patriarchal society". Quote 2: "At the time of the Arab incursions into Transoxania, Osrušana had its own line of Iranian princes, the Afšins (Ebn Ḵordāḏbeh, p. 40), of whom the most famous was the general of the caliph Moʿtaṣem (q.v. 833-42), the Afšin Ḵayḏar or Ḥaydar b. Kāvus (d. 841; see Afšin)", "The region was little urbanized, and it long preserved its ancient Iranian feudal and patriarchal society."〕 in Transoxiana. The Oshrusana lay to the south of the great, southernmost bend of the Syr Darya and extended roughly from Samarkand to Khujand. The capital city of Oshrusana was Banjikat. The exact form of the Iranian name Osrušana is not clear from the sources, but the forms given in Hudud al-'alam, indicate an original *Sorušna.〔 == History == The rulers of the Oshrusana or Ustrushana (Istarawshan) went by the title of "Afshin", and the most famous of whom was Khedār (Arabicised ''Haydar'') b. Kāvūs. Our early knowledge of the ruling family of Oshrusana is derived from the accounts by the Islamic historians (Tabari, Baladhuri, and Ya'qubi) of the final subjugation of that region by the 'Abbasid caliphs and the submission of its rulers to Islam. During the time when the first Arab invasion of the country took place under Qutayba b. Muslim (94-5/712-14), Ushrusana was inhabited by an Iranian〔 population, ruled by its own princes who bore the traditional title of Akhshid or Afshin.〔Kramers, J.H. "Usrūshana". '' Encyclopaedia of Islam''. Edited by: P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel and W.P. Heinrichs. Brill, 2007〕 The first invasion by the Arabs did not result in them controlling the area.〔 According to the Encyclopedia of Islam:〔 However, during the reign of the caliph al-Mahdi (775-85) the Afshin of Oshrusana is mentioned among several Iranian and Turkic rulers of Transoxania and the Central Asian steppes who submitted nominally to him.〔Yaqubi, II, p.479.〕 But it was not until Harun al-Rashid's reign in 794-95 that Fazl b. Yahya al-Barmaki led an expedition into Transoxania and received the submission of the ruling Akin,〔whose name, by inference from Tabari, III, p. 1066, was something like Kharākana; according to Gardīzī led. Habibi, p. 130〕 this Kharākana had never previously humbled himself before any other potentate. Further expeditions were nevertheless sent to Oshrusana by Ma'mūn when he was governor in Marv and after he had become caliph. Afshin Kavus, son of the Afshin Karākana who had submitted to Fazl b. Yahya, withdrew his allegiance from the Arabs; but shortly after Ma'mun arrived in Baghdad from the east (817-18 or 819-20), a power struggle and dissensions broke out among the reigning family of Oshrusana. Kawus' son Khaydar, known by his royal title of Afshin, became a general in the Abbasid army and fought against Khurramite rebels and their leader Babak Khoramdin in Azerbaijan (816-837). In 841 Afshin was arrested in Samarra on suspicion of plotting against the Caliphate and was subsequently hanged next to Babak. There are indications that semi-autonomous Afshins continued to rule over the Ustrushana after control of the region was wrested from the Abbasids by the Saffarids and, soon after, the Samanids. 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「Osrushana」の詳細全文を読む スポンサード リンク
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