Battle of Dingxi City (1084) — the same event in History of Song and Xu Zizhi Tongjian

History of Song: The Xia besieged Dingxi City, but Qin Gui, commander of Xihe, defeated them.; Xu Zizhi Tongjian: Xia surrounded Dingxi Fort and…

What each source says

History of Song (Songshi), Annals · AD 1084 · 定西城

The Xia besieged Dingxi City, but Qin Gui, commander of Xihe, defeated them.

乙丑,夏人圍定西城,熙河將秦貴敗之。
Location: 宋史卷016 元豐七年

Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) · AD 1084 · 定西

Xia surrounded Dingxi Fort and burned the tents of the Kangu tribe, and the Xihe commander Qin Gui defeated them.

乙丑,夏人圍定西城,燒龕穀族帳,熙河將秦貴敗之。
Location: 續資治通鑑 卷078 (1084년 조)

Place: 沈兒峪

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