What is Cambodian–Vietnamese War?
'''The Cambodian–Vietnamese War''' was a war fought between [[Democratic Kampuchea|Kampuchea]] (present-day [[Cambodia]]) and [[Vietnam]].<ref>{{Cite web|title=Vietnam’s Invasion of Cambodia, Revisited|url=https://thediplomat.com/2018/12/vietnams-invasion-of-cambodia-revisited/|access-date=2022-12-11|website=thediplomat.com|language=en-US}}</ref> The war had started because of repeated attacks by the [[Khmer Rouge]] guerillas into [[Vietnam|Vietnamese]] territory, which often caused the massacre of entire villages. On 21 December 1978, after the Khmer Rouge had raided a village on the border, perpetrating the [[Ba Chúc massacre]], murdering almost all 3,000 Vietnamese civilians, Vietnam decided to launch a full-scale invasion of Kampuchea, which the aim of overthrowing the [[Khmer Rouge]] forces of [[Pol Pot]]. Less than 2 weeks later, the [[People's Army of Vietnam|Vietnamese army]] entered [[Phnom Penh]], establishing a [[People's Republic of Kampuchea|new government made up of Khmer Rouge defectors]]. In response to the overthrow of the Khmer Rouge, [[Sino-Vietnamese War|China invaded Vietnam]]. As a response to the overthrow of the Khmer Rouge, Vietnam managed to stop the [[Cambodian genocide]], which caused the deaths of between 1.5 million and 3 million people, approximately 25 percent of the country's population. {{Infobox military conflict | conflict = Cambodian - Vietnamese War | width = | partof = the [[Third Indochina War]], [[Cold War]] and the [[Sino-Soviet split]] | image = [[File:H 4 ill 639759 cambodia-phnom penh-1979-61.jpg|thumb|alt=Vietnamese soldiers entering Phnom Penh in January 1979|Vietnamese soldiers entering Phnom Penh in January 1979]] | image_size = | alt = | caption = | date = 21 December 1978 - 23 October 1991<br/>(14 years, 5 months, 3 weeks and 2 days) | place = [[Cambodia]], southern [[Vietnam]] and eastern [[Thailand]] | coordinates = | map_type = | map_relief = | map_size = | map_marksize = | map_caption = | map_l