《宋书·列传·卷九十六》
以前晋朝末年，金城以东允街县胡人乞伏乾归带领部落占据洮河、罕开，自称陇西公。
先是晋末，金城东允街县胡人乞伏乾归拥部众据洮河、罕开，自号陇西公。
During the last years of Jin dynasty, Jin Cheng to the east of Yun Jie county, the leader of the Hu people QiFu Qian Gui occupied the Taohe and Hankai, declared himself Duke of Longxi.
<s>[INST] Kindly elucidate the central themes in this passage in English: 先是晋末，金城东允街县胡人乞伏乾归拥部众据洮河、罕开，自号陇西公。 [/INST] During the last years of Jin dynasty, Jin Cheng to the east of Yun Jie county, the leader of the Hu people QiFu Qian Gui occupied the Taohe and Hankai, declared himself Duke of Longxi.</s>
Kindly elucidate the central themes in this passage in English: 先是晋末，金城东允街县胡人乞伏乾归拥部众据洮河、罕开，自号陇西公。
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During the last years of Jin dynasty, Jin Cheng to the east of Yun Jie county, the leader of the Hu people QiFu Qian Gui occupied the Taohe and Hankai, declared himself Duke of Longxi.
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