History of the Northern Dynasties: The emperor crossed the Liao River, fought a major battle at Dong'an and defeated the enemy, then surrounded the…
The emperor crossed the Liao River, fought a major battle at Dong'an and defeated the enemy, then surrounded the city of Liaodong.
車駕度遼，大戰-{于}-東岸，擊賊破之，進圍遼東
Location: 北史 卷12 大業8年
Emperor Yang crossed the Liao River, fought on its eastern bank, defeated the enemy and besieged Liaodong City.
車駕渡遼。大戰于東岸，擊賊破之，進圍遼東
Location: 隋書 卷004 帝紀 大業8年3月
The Sui navy crossed the Yo River, rode the momentum and besieged Liaodong fortress; the city held firm and did not fall.
諸軍乘勝，進圍遼東城，則漢之襄平城也。
Location: 卷20 嬰陽王 23年
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Who | Book of Sui (Suishu), Imperial Annals | Samguk Sagi (History of the Three Kingdoms) | a는 양제가 직접 대전, b는 수군이 요수를 건넘 |