隋唐时期北部疆域的开拓变迁

隋唐王朝与北方突厥等民族在斗争交往中,领土分疆与彼此实际控制的范围,先后有数十次的变动。隋初曾与突厥约定以碛为界,北疆曾紧抵漠南。但突厥从沙钵略可汗起就以隋藩属政权的名义寄居白道川,开始向漠南发展,逐步控制了大漠南北。至大业年间始毕可汗公开反隋之际,隋突分疆始以河套地区东西向黄河—长城一线为界。隋末唐初,突厥或扶植反隋势力,或趁机南下武装占领,实际控制关中以北大部分郡县达十余年之久。东突厥灭亡以后,唐朝北部疆域在太宗、高宗之际达到极盛,武后时期一度大退缩,玄宗开元、天宝之际基本定型在阴山一带。

Development and Change of the Northern Borders in Times of the Sui and the Tang Dynasty

The Tang Dynasty's and northern peoples headed by Tujue's respective territories and actual control areas went through dozens of change in their struggles and intercourses.The early Sui Dynasty used to come into an agreement with Tujue of bordering by the desert and extend its northern border to the south of the desert.However,since Shatilue Khan,Tujue started to expand into the south of desert in disguise of lodging at the Baidao Valley as a regime under the Sui Dynasty and gradually brought the whole dese...