Yang Liang, Prince of Han, was made… (598) — the same event in History of the Northern Dynasties and Book of Sui

History of the Northern Dynasties: Yang Liang, Prince of Han, was made commander with 300,000 men by land and sea to attack Goguryeo, but in the…

What each source says

History of the Northern Dynasties (Beishi), Annals · AD 598

Yang Liang, Prince of Han, was made commander with 300,000 men by land and sea to attack Goguryeo, but in the ninth month he withdrew because of plague.

以漢王諒為行軍元帥,水陸三十萬,伐高麗
Location: 北史 卷11 開皇18年

Book of Sui (Suishu), Imperial Annals · AD 598

Yang Liang, Prince of Han, was appointed Acting Marshal and led 300,000 by land and sea to attack Goguryeo.

以漢王諒為行軍元帥,水陸三十萬伐高麗
Location: 隋書 卷002 帝紀 開皇18年2月

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