Yellow Turban campaign in Yingchuan
· Yingchuan Commandery (near present-day Xuchang, Henan, China)

Wikimedia Commons · Public domain · file Appointed Cavalry Commandant during the Yellow Turban Rebellion, Cao Cao led imperial forces against rebels in Yingchuan Commandery. Coordinates represent present-day Xuchang, the source's stated modern reference point for the commandery.