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The following text comes from Wikipedia's Vietnam history entry:

According to Vietnamese myths and legends, the history of Vietnam can be traced back to 4000 years ago. The ethnic origin of the Vietnamese can be mentioned as Baiyue, and the Vietnamese are also in Guangdong. Today, most areas south of the Yangtze River in China are almost within the scope of Baiyue activities. Baiyue ethnic groups are divided into Dong 'ou, Min 'yue, South Vietnam, Shanyue and Luoyue tribal alliances. During the Qin and Han Dynasties, the Central Plains army gradually annexed the territory of the Yue people and colonized it locally. Some Vietnamese merged with the migrating Han Chinese, or moved to the southern part of Vietnam today. From the first 1 century to most of the 10 century, Viet Nam was under the rule of various ancient regimes in China. In 968, Dingbu led the separatist forces that unified the territory and established the country. After the establishment of the Li Dynasty, its sovereignty was recognized by China in the Song Dynasty. In the history after leaving the northern dependency, Viet Nam became a dependency or vassal of China.

During the Great Mongolia period, Vietnam repelled the Mongolian invasion. After the establishment of the Yuan Dynasty, Vietnam repelled the Yuan Army's invasion twice. After the establishment of the Ming Dynasty in China, the monarch of the Vietnamese Chen Dynasty was usurped by Jili Hu, a consort, and the country fell into chaos. At the request of the adherents of the Chen Dynasty, the Ming Dynasty overthrew the Hu regime. After the Ming army occupied Vietnam, it began to rule directly, set up counties, stood on tiptoe to undertake propaganda and deployment, and promoted Confucianism in Vietnam, trying to re-promote China's rule. However, a few years after the death of Ming Chengzu, Li Jue drove the Ming army out of Vietnam, but promised to maintain a vassal relationship with the Central Plains regime. Later, as a vassal state of China, it regained its independence.

/kloc-After the middle of the 0/9th century, France began to invade Vietnam and established a colonial government in Saigon. China's suzerainty over Vietnam led to the Sino-French War. As a result, the Qing Dynasty was defeated, and the two sides signed the Sino-French New Testament, making Vietnam a French colony and a part of French Indian zhina. During World War II, Japan occupied Vietnam. After the war, France tried to regain control of Vietnam, but Dien Bien Phu finally fell and the French army withdrew from Vietnam.

The Geneva Conference split Vietnam in two and promised to hold a unified election in Vietnam, but this election did not take place. During the Vietnam War, North Vietnam was supported by the Soviet Union and China, while South Vietnam was mainly supported by the United States. This war not only killed millions of Vietnamese, but also caused heavy casualties to the US military. 1973 American retreat in March. 1975 In April, Saigon (now Ho Chi Minh City) was occupied by the North Vietnamese army and the war ended. During the 10 years after Vietnam's reunification, Vietnam was impoverished, its domestic politics was oppressed, and its foreign economy was isolated. From 65438 to 0986, the ruling Vietnamese Production Party began to change its economic policy and learn the model of market economy and open investment. This policy is called "innovation and opening up".