Mawei (756) — the same event in Old Book of Tang, New Book of Tang and Zizhi Tongjian

Old Book of Tang: When Xuanzong's party halted at Mawei Post, the soldiers killed Yang Guozhong and his clan.; New Book of Tang: While Emperor…

What each source says

Old Book of Tang (Jiu Tangshu), Annals · AD 756 · 馬嵬

When Xuanzong's party halted at Mawei Post, the soldiers killed Yang Guozhong and his clan.

丙辰,次馬嵬驛,諸衛頓軍不進。
Location: 舊唐書 卷9 天寶15年 6月

New Book of Tang (Xin Tangshu), Annals · AD 756 · 馬嵬

While Emperor Xuanzong was fleeing to Shu, Chen Xuanli killed Yang Guozhong at Mawei and ordered Consort Yang to die (the Mawei post incident).

丁酉,次馬嵬,左龍武大將軍陳玄禮殺楊國忠
Location: 新唐書 卷005 睿宗·玄宗 天寶15年6月

Zizhi Tongjian (Comprehensive Mirror) · AD 756

At last the emperor orders Gao Lishi to take Consort Yang to the Buddhist hall and have her strangled.

」上乃命力士引貴妃於佛堂,縊殺之。
Location: 권218 756년 항

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
WhoNew Book of Tang (Xin Tangshu), AnnalsZizhi Tongjian (Comprehensive Mirror)a는 진현례가 양국충을 죽이고 귀비에게 죽음을 내림, b는 고력사가 목매 죽임

Place: 馬嵬

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