When was Xuchang Caowei Ancient City built?

In 340 BC. Xuchang, the ancient city of Cao Wei, was built in 340 BC. It is the birthplace of Cao Wei, the seven heroes of the Warring States Period. It was once an important central political and military center in the late Western Han Dynasty, and also became the political center of Cao Wei after the Three Kingdoms. Construction started on July 20 17, and it was built according to the national "5A level" scenic spot standard.