Lanzhou (1083) — the same event in History of Song and Xu Zizhi Tongjian

History of Song: In the second month, hundreds of thousands of Xia attacked Lanzhou; Military Commissioner Wang Wenyu repelled them with some seven…

What each source says

History of Song (Songshi), Annals · AD 1083 · 蘭州

In the second month, hundreds of thousands of Xia attacked Lanzhou; Military Commissioner Wang Wenyu repelled them with some seven hundred picked men.

二月丁未,夏人數十萬衆攻蘭州,鈐轄王文鬱率死士七百餘人擊走之。
Location: 宋史卷016 元豐六年

Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) · AD 1083 · 蘭州

In the second month, Xia's several tens of thousands suddenly reached Lanzhou and seized the two passes; Li Hao closed the gates and held the city.

二月,丁未朔,夏人圍蘭州,數十萬眾奄至,已據兩關,李浩閉城距守。
Location: 續資治通鑑 卷077 (1083년 조)

Place: 金城

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