219年,刘备大败曹将夏侯渊,夺取汉中,称汉中王,建立了横跨荆益两州的政权。
In 219 the decisive victory over Xiahou Yuan obtained Liu Bei 's control of the Han valley , and gave justification for his claim to the royal and then imperial title of Han with an area covering Jing and Yi prefectures .