King Wucheng of Yan
King Wucheng of Yan, ancestral name Jī, clan name Yān, personal name unknown, was the sixth king of the state of Yan in Warring States period of Chinese history. He ruled the kingdom between 271 BC until his death in 258 BC.
In 271 BC, King Hui of Yan was murdered by the powerful chancellor Lord Cheng'an. King Wucheng was crowned as the new king. In the same year, Yan was attacked by the joint expedition of Han, Wei and Chu. In 265 BC, Yan lost battle against the troops of Qi under Tian Dan. King Wucheng died in 258 BC, succeeded by his son King Xiao.
