Records of the Grand Historian: They defeated the Crown Prince's army, took Ji, the city of Yan, and obtained the head of Crown Prince Dan.; Zizhi…
They defeated the Crown Prince's army, took Ji, the city of Yan, and obtained the head of Crown Prince Dan.
乃益發卒詣王翦軍，遂破燕太子軍，取燕薊城，得太子丹之首。
Location: 史記卷006 秦始皇本紀
In the tenth month of winter Wang Jian took Ji; the King of Yan and the crown prince fled to Liaodong with elite troops, Li Xin pursued urgently, and the Great King Jia urged the King of Yan to kill Crown Prince Dan and offer his head.
冬，十月，王翦拔薊，燕王及太子率其精兵東保遼東，李信急追之。
Location: 資治通鑑 卷007 (원문 단락 #503, -226년)
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Outcome | Records of the Grand Historian (Shiji), Annals | Zizhi Tongjian (Comprehensive Mirror) | a는 태자 丹 머리 얻음, b는 연왕이 태자를 죽여 바치려 함 |