Pingcheng (452) — the same event in History of the Northern Dynasties, Book of Wei and Zizhi Tongjian

History of the Northern Dynasties: Through a rebellion by the eunuch Zong Ai, Emperor Taiwu died at the Yong'an Palace at age 45.; Book of Wei…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 452

Through a rebellion by the eunuch Zong Ai, Emperor Taiwu died at the Yong'an Palace at age 45.

帝崩於永安宮,時年四十五
Location: 北史 卷2 正平2年

Book of Wei (Weishu), Imperial Annals · AD 452 · 平城

Emperor Taiwu died at the age of 45; the eunuch Zong Ai forged an empress's edict, killed Prince Han of Donping, and set up Prince Yu of Nan'an.

三月甲寅,帝崩於永安宮,時年四十五。
Location: 魏書卷4下·正平二年

Zizhi Tongjian (Comprehensive Mirror) · AD 452 · 平城

Eunuch Zong Ai assassinates Emperor Taiwu of Northern Wei (February).

二月,甲寅,弒帝
Location: 卷126

Place: 平城

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