Zhuojun (612) — the same event in History of the Northern Dynasties and Book of Sui

History of the Northern Dynasties: The Goguryeo expeditionary force gathered at Zhuojun: 1,130,000 men in total, with supplies double that number…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 612 · 涿郡

The Goguryeo expeditionary force gathered at Zhuojun: 1,130,000 men in total, with supplies double that number.

辛巳,大軍集於涿郡
Location: 北史 卷12 大業8年

Book of Sui (Suishu), Imperial Annals · AD 612 · 涿郡

The great army gathered at Zhuo Commandery.

大軍集于涿郡
Location: 隋書 卷004 帝紀 大業8年1月

Book of Sui (Suishu), Imperial Annals · AD 612 · 涿郡

The total strength of the Goguryeo campaign army was 1,133,800 (claimed to be two million), with twice as many grain transporters; over forty days from the departure of the first army, its banners stretched for a thousand li.

總一百一十三萬三千八百,號二百萬,其餽運者倍之
Location: 隋書 卷004 帝紀 大業8年1月

Book of Sui (Suishu), Imperial Annals · AD 613 · 涿郡

Troops were conscripted from across the realm and the people were gathered into the Xiaoguo (Brave Volunteers), who assembled at Zhuo Commandery.

徵天下兵,募民為驍果,集于涿郡
Location: 隋書 卷004 帝紀 大業9年1月

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
YearHistory of the Northern Dynasties (Beishi), AnnalsBook of Sui (Suishu), Imperial Annalsa는 612년, b는 613년

Place: 涿郡

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