History of the Northern Dynasties: Shibi Khan surrounded Yanmen with several hundred thousand cavalry, and the emperor was besieged until the siege…
Shibi Khan surrounded Yanmen with several hundred thousand cavalry, and the emperor was besieged until the siege was lifted in the ninth month.
壬申，車駕馳幸雁門。癸酉，突厥圍城，官軍頻戰不利
Location: 北史 卷12 大業11年
Shibi Khan of the Turks prepared to ambush Emperor Yang with several hundred thousand cavalry; Princess Yicheng warned him, and Emperor Yang rushed to Yanmen.
突厥始畢可汗率騎數十萬，謀襲乘輿
Location: 隋書 卷004 帝紀 大業11年8月
The Turks besieged Yanmen; imperial troops fought repeatedly but were at a disadvantage, and Emperor Yang was greatly frightened.
突厥圍城，官軍頻戰不利
Location: 隋書 卷004 帝紀 大業11年8月
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Outcome | History of the Northern Dynasties (Beishi), Annals | Book of Sui (Suishu), Imperial Annals | b는 돌궐 습격 계획을 義成公主가 알려 달려갔다고 적음 |
Place: 雁門
Show on the map — open History of the Northern Dynasties (Beishi), Annals