When did Viet Nam separate from China?

Vietnam didn't exist. From the Western Han Dynasty to the Tang Dynasty, 1000 has been the territory of China for more than one thousand years. It is Jiaozhi county, where a large number of immigrants from the Central Plains live. It was not until the rebellion in the late Tang Dynasty and the reluctance of the Northern Song Dynasty to recover it that Vietnam became a country. Lack of resources. At the beginning of the Ming Dynasty, the northern part was the territory of the Ming Dynasty, and the southern part had independent political power, but it was not a sovereign country and belonged to the vassal state of the Ming Dynasty. This situation remained until the Qing Dynasty. The Ming Dynasty fell, and Manchu entered the customs. At that time, the regime that ruled southern Vietnam saw the civil strife in the Central Plains, took the opportunity to go north, plundered Hanoi and Liangshan in northern Vietnam today, and continued to go north. However, after the Qing government stabilized, it belonged to the Qing country. This is why Vietnam has always had the Qing government stationed troops. Annan is today's Vietnam. When Emperor Wendi of the Ming Dynasty was founded, he was under the rule of the Li Dynasty. /kloc-At the beginning of the 6th century, it split into two opposing feudal groups. The northern group controlled the Li Dynasty, while the southern Ruanhuang Group controlled the Li Dynasty. In order to deal with the Ruan clique in the south, Zheng clique was anxious to pacify the Qing court. 1660 (the seventeenth year of Shunzhi), the Li Dynasty sent envoys to pay tribute to the Qing Dynasty, and the Qing Dynasty immediately agreed to canonize Li Weiqi as King Annan. By the end of 17, the Ruan clique, which was originally split in the south of Annan, completely annexed the southern city-occupying country. Car 1702, Ruan Fu? He sent an envoy to China to ask the Qing court to be knighted, but the Qing government refused, so he became king on his own. 1803, Nguyn Phuc Anh changed Annan to Vietnam, and the Qing government ordered Kibson, the provincial judge of Guangxi, to go to Vietnam and canonized Nguyn Phuc Anh as the king of Vietnam. 19 In the 1940s and 1950s, France began to carry out armed aggression against Vietnam. 1862 In June, Vietnam was forced to sign the first Saigon Treaty, turning six southern provinces of Vietnam into French colonies. 1874 In March, France forced Vietnam to sign the second Saigon Treaty, and France "recognized" Vietnam's "independence" on the condition that France presided over Vietnam's diplomacy, thereby denying China's "suzerainty" and establishing France's privileged position in Vietnam. 1875 in may, the French informed the Qing government of this treaty and asked China to restrain the black flag army. The Qing government has repeatedly stressed that China has the responsibility to protect the "sovereign state" of Vietnam, and pointed out that the Vietnamese army went to "suppress bandits" at the request of the King of Yue. 1877, Vietnam sent envoys to pay tribute to China as usual, but the French did not stop them. From 65438 to 0883, France invaded Vietnam in an all-round way, forcing Vietnam to sign the Treaty of Hue in Vietnam, and Vietnam recognized and accepted France's right of protection. 1In June, 884, France forced Vietnam to sign the second Vietnam-France Hue Treaty, which established France's colonial rule over Vietnam. After the end of the Sino-French War, in June 1885, China and France formally signed the Sino-French Vietnam Treaty (the Sino-French New Testament), and the Qing government recognized the treaty concluded between France and Vietnam and gave up its suzerainty over Vietnam.