函谷関
In 190, Xu Rong fought on Dong Zhuo's side against a coalition of warlords from the east of Hangu Pass. He defeated Cao Cao, who joined the coalition under Zhang Miao's banner, at the Battle of Xingyang. Later that year, he defeated Sun Jian, who joined the coalition under Yuan Shu's banner, at the Battle of Liangdong (梁東). He also captured Li Min (李旻), the Administrator of Yingchuan Commandery, and killed him.