Luoyang (579) — the same event in History of the Northern Dynasties and Book of Zhou

History of the Northern Dynasties: He mobilized soldiers from the eastern prefectures to build the Luoyang palace, with as many as forty thousand men…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 579 · 洛陽

He mobilized soldiers from the eastern prefectures to build the Luoyang palace, with as many as forty thousand men at a time.

發山東諸州兵,增一月功為四十五日役,起洛陽宮
Location: 北史 卷10 大象元年

Book of Zhou (Zhoushu), Imperial Annals · AD 579 · 洛陽

Seeking to revive the old capital of Heluo, he mobilizes troops from Shandong, builds the Luoyang palace, and commands 40,000 workers at once

於是發山東諸州兵,增一月功為四十五日役,起洛陽宮。
Location: 周書 卷7 大象1年2月

Place: 洛陽

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