Taoyang (559) — the same event in History of the Northern Dynasties and Book of Zhou

History of the Northern Dynasties: Helan Xiang took Taoyang and Honghe, two Tuyuhun cities.; Book of Zhou: Helan Xiang attacks Tuyuhun and captures…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 559 · 洮陽

Helan Xiang took Taoyang and Honghe, two Tuyuhun cities.

賀蘭祥攻拔洮陽、洪和二城，吐谷渾遁走
Location: 北史 卷9 明帝武成元年

Book of Zhou (Zhoushu), Imperial Annals · AD 559 · 洮陽

Helan Xiang attacks Tuyuhun and captures the two cities of Taoyang and Honghe; the Tuyuhun flee

」賀蘭祥攻拔洮陽、洪和二城，吐谷渾遁走。
Location: 周書 卷4 武成1年5月

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