What was the establishment date of this ancient kingdom that was annexed during the Southward expansion of the Han Dynasty, and consisted of the commanderies Nanhia, Guilin, and Xiang?
Southward expansion of the Han dynasty: The Southward expansion of the Han dynasty were a series of Chinese military campaigns and expeditions in what is now modern Southern China and Northern Vietnam. Nanyue: Nanyue () or Zhuang: Namzyied , or Nam Viet (Vietnamese: "Nam Việt" ) was an ancient kingdom that covered parts of northern Vietnam and the modern Chinese provinces of Guangdong, Guangxi, and Yunnan. Nanyue:  Nanyue was established in 204 BC at the collapse of the Qin dynasty by Zhao Tuo, then Commander of Nanhai.
i don't know