Battle of Luoyang (815) — the same event in Old Book of Tang and New Book of Tang

Old Book of Tang: Li Shidao hid assassins among the monk Yuan Jing of Songshan and the Jinzhu Yuan of Luoyang, intending to burn the palace, but the…

What each source says

Old Book of Tang (Jiu Tangshu), Annals · AD 815 · 洛陽

Li Shidao hid assassins among the monk Yuan Jing of Songshan and the Jinzhu Yuan of Luoyang, intending to burn the palace, but the garrison commander of Luoyang surrounded and stopped them.

丁未,淄青節度使李師道陰與嵩山僧圓凈謀反,勇士數百人伏於東都進奏院,乘洛城無兵,欲竊發焚燒宮殿而肆行剽掠。
Location: 舊唐書 卷15 元和10年

New Book of Tang (Xin Tangshu), Annals · AD 815 · 洛陽

Zi Jiazhen, a subordinate of Li Shidao, rebelled at the Eastern Capital; the administrator Lü Yuanying defeated him.

李師道將訾嘉珍反于東都,留守呂元膺敗之
Location: 新唐書 卷007 德宗·順宗·憲宗 元和10年8月

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
WhoOld Book of Tang (Jiu Tangshu), AnnalsNew Book of Tang (Xin Tangshu), Annalsa는 이사도 용사 매복 / b는 부장 자가진 반란

Place: 洛陽

Show on the map — open Old Book of Tang (Jiu Tangshu), Annals