《汉书·纪·高帝纪上》
三年冬十月，韩信、张耳东下井陉攻赵，斩杀陈余，俘获赵王歇，设置常山、代郡。
三年冬十月，韩信、张耳东下井陉击赵，斩陈馀，获赵王歇。置常山、代郡。
In the winter of the third year, in the tenth month, Han Xin and Zhang Er marched east and attacked Zhao from Jingxing pass, slaying Chen Yu and capturing Zhao Wangxie. They then established the Changshan and Dai counties.