Old Book of Tang: Wang Chengzong rebelled, and the eunuch Tutu Chengcui was made Commissioner for Field Command of Zhenzhou to lead the suppression…
Wang Chengzong rebelled, and the eunuch Tutu Chengcui was made Commissioner for Field Command of Zhenzhou to lead the suppression.
」以神策左軍中尉吐突承璀為鎮州行營招討處置等使，以龍武將軍趙萬敵為神策先鋒將，內官宋惟澄、曹進玉、馬朝江等為行營館驛糧料等使。
Location: 舊唐書 卷14 元和4年
Wang Chengzong, military governor of the Chengde Army, rebelled; Tutu Chengcui was appointed pacification commissioner to suppress him.
成德軍節度使王承宗反，執保信軍節度使薛昌朝
Location: 新唐書 卷007 德宗·順宗·憲宗 元和4年10月
A and B are two of the sources listed above.
| On what point | Source A | Source B | What differs (in Korean) |
|---|---|---|---|
| Year | Old Book of Tang (Jiu Tangshu), Annals | Zizhi Tongjian (Comprehensive Mirror) | a는 809 / b는 810 |