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The Sino–Vietnamese War, also known as the Third Indochina War, was a brief but bloody border war fought in 1979 between the People's Republic of China (PRC) and the Socialist Republic of Vietnam. The PRC launched the offensive in response to Vietnam's invasion and occupation of Cambodia, which ended the reign of the PRC-backed Khmer Rouge and Vietnamese raids in Chinese territory near the border. After a brief incursion into Northern Vietnam, PRC troops withdrew about a month later. Both sides claimed victory in the last of the Indochina Wars of the twentieth century.
PRC vs. Vietnam: Third Indochina War
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Where the first war emerged from the complex situation following WWII and the second exploded from the unresolved aftermath of political relations with the first, the Third Indochina W