Chang'an (885) — the same event in Old Book of Tang and Zizhi Tongjian

Old Book of Tang: Li Keyong's army pressed on the capital, and Tian Lingzi escorted Xizong to flee to Baoxiang.; Zizhi Tongjian: Emperor Xizong…

What each source says

Old Book of Tang (Jiu Tangshu), Annals · AD 885 · 長安

Li Keyong's army pressed on the capital, and Tian Lingzi escorted Xizong to flee to Baoxiang.

乙亥,沙陀逼京師,田令孜奉僖宗出幸鳳翔。
Location: 舊唐書 卷19下 光啟1年

Zizhi Tongjian (Comprehensive Mirror) · AD 885 · 鳳翔

Emperor Xizong arrives at Fengxiang.

二月,丙申,車駕至鳳翔。
Location: 資治通鑑 卷256

Where the sources differ

A and B are two of the sources listed above.

On what pointSource ASource BWhat differs (in Korean)
OutcomeZizhi Tongjian (Comprehensive Mirror)Old Book of Tang (Jiu Tangshu), Annalsb는 이극용군의 경사 압박으로 달아났다고 원인을 적음; a는 도착만 적음

Place: 長安 · 鳳翔

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