History of Liao: Wu Luan, judge of Datong army, shut the city gates and resisted; Taizong personally urged them from below the walls, and they…
Wu Luan, judge of Datong army, shut the city gates and resisted; Taizong personally urged them from below the walls, and they surrendered.
庚申，上親征，至城下諭之，巒降。
Location: 遼史 卷3 天顯12年 1月
In Yunzhou, Wu Luan refuses to submit to the Khitan and holds the city closed; the Khitan attack but fail to win.
閉城不受契丹之命，契丹攻之，不克
Location: 資治通鑑 卷281 제12단(머리글 이후 비공백 줄 기준)
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Place | History of Liao (Liaoshi) | Zizhi Tongjian (Comprehensive Mirror) | a는 대동군, b는 雲州 |