Vietnam used to invade Cambodia is commonly known among modern Vietnamese people in the South. In our team, even those from the North and Central of Vietnam have rarely heard about the genocide of Pol Pot regime. In this project, we wish to reevaluate the intervention of Vietnam into the genocide of the Red Khmer Rouge regime back in Vietnam-Cambodia War 1979 in order to understand the postulated causes leading to two opposite viewpoints of both the Vietnamese and Cambodian government and citizens.

Indochinese Communist Party Establishment

During World War II, Cambodia and Vietnam were against the French colonization and burst out of the national revolution. The communist movement in Cambodia was strongly developed

Geneva Conference

Vietnamese communists withdrew from Cambodia

Cambodian Coup

March 1970
Sihanouk was expelled by the pro-American ally - Lon Nol. Lon Nol's government attacked Khmer Rouge and the National Liberation Front at Cambodia's southeast border

The Conquer for ancient land

The Khmer Rouge attacked the territory in the southeast Vietnam to take back the ancient land. However, Vietnam did not have immediate actions toward invasion

Cold War

The conflict between capitalism (led by the U.S) and communism (led by the Soviet Union) "affected on international isolation and economic hardship"

Vietnam War

North Vietnam forces and the National Liberation Front were fighting against the American and the Republic of Vietnam. Because of this event, DRV could not fully control the political situation of Cambodia

The Khmer Republic Establishment

October 1970
Lon Nol established the pro-American government to fight against the Communist

Clashes broke out between Cambodia and Vietnam

December 1977
The end of political and diplomatic relations between Khmer Rouge and Democratic Republic of Vietnam

Khmer People’s Revolutionary Party Establishment

KPRP was established by the guided of Vietnam Communist Party. Prince Norodom Sihanouk was supported to be the representative of the Party

KPRP under the lead of Pol Pot

Pol Pot became the new leader and general secretary of KPRP, overthown the existing the regime which did not follow the direction of Democrative Republic of Vietnam. KPRP was changed into Communist Party of Kampuchea

Khmer Rouge counter-attack

The Khmer Rouge took back the major territory and authoriity. In 1975, Lon Nol's goverment was completely defeated

Cambodian–Vietnamese War

Khmer Rouge attacked Ba Chuc. Vietnamese troops fought their way into Cambodia.

The Engagement of Pol Pot

Pol Pot and his Cambodian radical intellectuals studying abroad in Paris engaged in the Party and were influenced by the Chauvinism and Maoism

Operation Menu of the U.S

The U.S and the Republic of Vietnam boomed Khmer Rouge and Democratic Republic of Vietnam's territories

Democratic Kampuchea

Pol Pot reformed the country with new policies including the collectivization of all private property, the genocide and the allies with China and the U.S

Vietnamese troops captured Phnom Penh

Pol Pot Regime became the exilled government in Thailand's border. The new government called the People of Kampuchea Party was established under the intervention of Vietnam

Governments' Reactions in 2019

  1. Goscha, Christopher. 2006. Vietnam, the Third Indochina War and the meltdown of Asian internationalism . UQAM – Université du Québec à Montréal.
  2. Kiernan, Ben. 1999. Cambodia’s Twisted Path to Justice . Yale University Press—. 1996. The Pol Pot Regime: Race, Power, and Genocide in Cambodia Under the Khmer Rouge, 1975-79 . Yale University Press.
  3. Morris, Stephen J. 1999. Why Vietnam Invaded Cambodia: Political Culture and the Causes of War . Stanford University Press.
  4. Mosyakov, Dmitry. 2004. “The Khmer Rouge and the Vietnamese Communists: A History of Their Relations as Told in the Soviet Archives.” GSP Working Paper (Yale Center for International and Area Studies).
  5. Path, Kosal. 2018. Việt Nam và Campuchia 1975-78: Đánh giá sai về nhau? December 12. Accessed November 25, 2019.
  6. Wheeler, Nicholas J. 2002. Saving Strangers: Humanitarian Intervention in International Society. Oxford Scholarship Online
  7. Noun Chea’s closing brief in case 002/02
  8. “Treatment of the Vietnamese | Drupal.” Accessed December 16, 2019.
  9. Andrew Nachemson. “Expert Says Vietnam Tried, Failed to Control Khmer Rouge | Phnom Penh Post.” Accessed December 16, 2019.
  10. Julia Brower, Ryan Liss, Tina Thomas, & Jacob Victor, Historical Examples of Unauthorized Humanitarian Intervention, (2003)
  11. Mahbubani Kishore, The Kampuchean Problem: A Southeast Asian Perception (January, 2009) ,
  12. United Nations, Letter dated 12 October 1979 from the Permanent Representative of Viet Nam to the United Nations addressed to the Secretary-General, (1979)
  13. Kishore Mahbubani, The Kampuchean Problem: A Southeast Asian Perception, (Winter 1983/84),
  14. Nicholas J.Wheeler, Saving Strangers: Humanitarian Intervention in International Society
  15. Gary Klintworth, Vietnam’s Intervention in Cambodia in International Law
  16. Doyle, Kevin. “Vietnam’s Forgotten Cambodian War”. BBC News, 14 Tháng Chín 2014, sec Asia.
  17. Franck, Thomas M. Recourse to force: state action against threats and armed attacks. Hersch Lauterpacht memorial lectures. Cambridge ; New York, NY: Cambridge University Press, 2002.
  18. Sullivan , Meg . “UCLA Demographer Produces Best Estimate yet of Cambodia’s Death Toll under Pol Pot”. UCLA, 16 Tháng Tư 2015.