Old Book of Tang: Li Shimin, alleging that Crown Prince Jiancheng and Qi Prince Yuanji plotted to harm him, led troops and executed them (the Xuanwu…
Li Shimin, alleging that Crown Prince Jiancheng and Qi Prince Yuanji plotted to harm him, led troops and executed them (the Xuanwu Gate Incident).
六月庚申，秦王以皇太子建成與齊王元吉同謀害己，率兵誅之。
Location: 舊唐書 卷1 武德9年 6月
Prince Shimin killed Crown Prince Jiancheng and Li Yuanji, Prince of Qi; Shimin then became crown prince.
庚申，秦王世民殺皇太子建成、齊王元吉
Location: 新唐書 卷001 高祖 武德9年6月
In 626 (Gengshen day), Shimin leads Zhangsun Wuji and others in and sets an ambush at the Xuanwu Gate.
庚申，世民帥長孫無忌等入，伏兵於玄武門。
Location: 권191 626년 항
Place: 長安
Show on the map — open Old Book of Tang (Jiu Tangshu), Annals