Yangzhou,Spring and Autumn period, Han said today near the city of Yangzhou. 486 BC, Wu Han destroyed, the city built Han, Han ditch open, connecting the Yangtze River, the Huaihe River. Vietnam Conquest of Wu, to be more: Chu off Vietnam, in return Chu. In 319 BC, the site of the city of Chu in the city of Han, the name Tower. Qin unified China, set Guangling County, is Jiujiang County. Han Dynasty, Yangzhou, said today Guangling, Jiangdu, long-term is a princely fief. Liu 濞 king