Kings of the Han dynasty
The kings from other dynasties (, "yìxìng wáng") were mostly remnants of the rebellion against the Qin dynasty. Following the Dazexiang Uprising, many noblemen rose in rebellion. Heirs, pretenders, and warlords called themselves "kings" and claimed sovereignty as continuations of the six states previously suppressed by Qin. Among these, Chu was the most powerful. However, its rightful ruler Huai II was assassinated on the orders of the warlord Xiang Yu and the 18 Kingdoms Xiang had formed rose in rebellion against him. Liu Bang, king of Han, ultimately defeated Chu and established the new Han dynasty. The kings who had sided with him were then permitted to maintain their titles and lands. A few other kingdoms were also formed by Liu Bang for generals and favorites.
First Chinese domination of Vietnam
In 111 BC, the powerful Chinese Han dynasty conquered the Nam Việt (which in Chinese translates to "land of the southern barbarians") kingdom during its expansion southward and incorporated what is now northern Vietnam, together with much of modern Guangdong and Guangxi, into the expanding Han empire. Vietnamese resistance to Han rule culminated in the rebellion of the Trưng Sisters, who expelled the Han in 40 AD and briefly ruled Vietnam until being defeated by the returning Han Chinese army in 43 AD.