Zhang Er (Eighteen Kingdoms)

Zhang Er
張耳 (Chinese)
King of Changshan (常山王)
Tenure207–205 BC
King of Zhao (趙王)
Tenure203–202 BC
SuccessorZhang Ao
BornUnknown
Daliang, Kingdom of Wei (modern-day Kaifeng, Henan Province)
Died202 BC
Han China
Posthumous name
Jing (景)

Zhang Er (simplified Chinese: 张耳; traditional Chinese: 張耳; pinyin: Zhāng Ěr;

died 202 BC) was a Chinese politician during the late Qin Dynasty and the subsequent Chu–Han Contention.

He had served multiple different leaders before being made King of Changshan (常山王) during Xiang Yu's division of the former Qin empire. His kingdom was destroyed soon after, and he entered the services of Liu Bang, who, upon conquering the territories of his former kingdom, made him a vassal king ruling over them under a new title: King of Zhao (趙王).