Puzhou (875) — the same event in Old Book of Tang, New Book of Tang and Zizhi Tongjian

Old Book of Tang: Wang Xianzhi, a bandit of Puzhou, gathered 3,000 men at Changyuan County and plundered, then took Puzhou.; New Book of Tang…

What each source says

Old Book of Tang (Jiu Tangshu), Annals · AD 875 · 濮州

Wang Xianzhi, a bandit of Puzhou, gathered 3,000 men at Changyuan County and plundered, then took Puzhou.

五月,濮州賊首王仙芝聚於長垣縣,其眾三千,剽掠閭井,進陷濮州,俘丁壯萬人。
Location: 舊唐書 卷19下 乾符2年 5月

New Book of Tang (Xin Tangshu), Annals · AD 875 · 濮州

Bandits Wang Xianzhi and Shang Junchang of Puzhou captured Caozhou and Puzhou, the start of the Huang Chao Rebellion.

濮州賊王仙芝、尚君長陷曹、濮二州
Location: 新唐書 卷009 懿宗·僖宗 乾符2年6月

Zizhi Tongjian (Comprehensive Mirror) · AD 875 · 濮州

Wang Xianzhi and Shang Junchang take Puzhou and Caozhou.

王仙芝及其黨尚君長攻陷濮州、曹州,衆至數萬。
Location: 資治通鑑 卷252

Place: 鄄城

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