Chang'an (577) — the same event in Book of Northern Qi and Book of Zhou

Book of Northern Qi: The Zhou emperor Wu treated the Later Ruler as an honored guest and sent him to Chang'an with the empress dowager, the infant…

What each source says

Book of Northern Qi (Bei Qishu), Annals · AD 577 · 長安

The Zhou emperor Wu treated the Later Ruler as an honored guest and sent him to Chang'an with the empress dowager, the infant ruler and the princes, enfeoffing him as Duke of Wen. (In the seventh year of Jiande, 578, he was ordered to die on a false charge of rebellion.)

並太后、幼主、諸王俱送長安,封帝溫國公
Location: 北齊書 卷8

Book of Zhou (Zhoushu), Imperial Annals · AD 577 · 長安

Emperor Wu returns to Chang'an, presents the Qi ruler and the other prisoners at the ancestral temple, and enfeoffs Gao Wei as Duke of Wenguo

獻俘於太廟。
Location: 周書 卷6 建德6年4月

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
OutcomeBook of Northern Qi (Bei Qishu), AnnalsBook of Zhou (Zhoushu), Imperial Annalsa 후일 건덕 7년 사사 / b 태묘에 바침

Place: 長安

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