Battle of Shegu (141) — the same event in Book of the Later Han and Zizhi Tongjian

Book of the Later Han: The Pacify-the-West General Ma Xian fought the Qiedong Qiang at Shegu Mountain, was defeated and perished.; Zizhi Tongjian: In…

What each source says

Book of the Later Han (Hou Hanshu), Annals · AD 141 · 射姑山

The Pacify-the-West General Ma Xian fought the Qiedong Qiang at Shegu Mountain, was defeated and perished.

六年春正月丙子,征西將軍馬賢與且凍羌戰于射姑山,賢軍敗沒,安定太守郭璜下獄死。
Location: 後漢書卷6 孝順孝沖孝質帝紀 永和6年

Zizhi Tongjian (Comprehensive Mirror) · AD 141 · 射姑山

In the first month, the Zhengxi General Ma Xian fought the Qiedong Qiang at Shegu Mountain and was defeated; Ma Xian and his two sons died in battle. The Eastern and Western Qiang joined together in a great way.

春,正月,丙子,征西將軍馬賢與且凍羌戰於射姑山,賢軍敗;賢及二子皆沒,東、西羌遂大合。
Location: 資治通鑑 卷052 (원문 단락 #4242, 141년)

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