Cambodian genocide - Revision history

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2026-08-30T17:08:02Z

Cleaned up parts of article

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	'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by genocidal anti-communist [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>		{{Message box/Missing Sources}}[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]The '''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by genocidal anti-communist [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>
	~~[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]~~Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many communists reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>
			Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many communists reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>

	== Background ==		== Background ==
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	U.S. policymakers viewed Cambodia partly through its relationship to the war in neighboring Vietnam. A National Security Council memorandum described the preferred outcome as an anti-communist Cambodian government capable of preventing Vietnamese communist forces from using Cambodian territory against [[South Vietnam]]. After the withdrawal of U.S. ground forces from Cambodia in June 1970, Nixon committed the United States to sustaining Lon Nol's government with weapons, funding, air support, training, and economic assistance. By 1971, the administration considered hundreds of millions of dollars in military and economic assistance essential to achieving U.S. objectives in Cambodia.<ref>{{Web citation\|title=Memorandum From Roger Morris, Winston Lord, and Anthony Lake to Henry Kissinger\|date=22 April 1970\|url=https://history.state.gov/historicaldocuments/frus1969-76v06/d250\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Editorial Note on United States support for Cambodia\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d1\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Memorandum From the President's Assistant for National Security Affairs\|date=20 October 1971\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d271\|website=Office of the Historian}}</ref>		U.S. policymakers viewed Cambodia partly through its relationship to the war in neighboring Vietnam. A National Security Council memorandum described the preferred outcome as an anti-communist Cambodian government capable of preventing Vietnamese communist forces from using Cambodian territory against [[South Vietnam]]. After the withdrawal of U.S. ground forces from Cambodia in June 1970, Nixon committed the United States to sustaining Lon Nol's government with weapons, funding, air support, training, and economic assistance. By 1971, the administration considered hundreds of millions of dollars in military and economic assistance essential to achieving U.S. objectives in Cambodia.<ref>{{Web citation\|title=Memorandum From Roger Morris, Winston Lord, and Anthony Lake to Henry Kissinger\|date=22 April 1970\|url=https://history.state.gov/historicaldocuments/frus1969-76v06/d250\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Editorial Note on United States support for Cambodia\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d1\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Memorandum From the President's Assistant for National Security Affairs\|date=20 October 1971\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d271\|website=Office of the Historian}}</ref>

	To anti-imperialists, the Khmer Republic can therefore be understood as a U.S.-backed client regime incorporated into Washington's wider strategy for Indochina. Cambodia was not merely an isolated civil-war battlefield: its government, armed forces, air war, and survival became tied to U.S. efforts to contain Vietnamese communist forces and preserve the anti-communist order in South Vietnam. This dependency does not mean every action of Lon Nol's government was dictated directly from Washington, but the regime's military survival became deeply dependent upon U.S. imperial support.

	== U.S. bombing and destabilization ==		== U.S. bombing and destabilization ==
	Under President [[Richard Nixon]] and National Security Adviser [[Henry Kissinger]], the United States expanded the war into Cambodia. U.S. bombing campaigns, including [[Operation Menu]] and later bombing under [[Operation Freedom Deal]], targeted Vietnamese communist bases and supply routes but also devastated rural Cambodian society. Researchers Ben Kiernan and Taylor Owen argue that the bombing drove many ordinary Cambodians toward the Khmer Rouge and helped transform a relatively small insurgency into a mass movement.<ref>https://apjjf.org/taylor-owen/2420/article</ref>		Under President [[Richard Nixon]] and National Security Adviser [[Henry Kissinger]], the United States expanded the war into Cambodia. U.S. bombing campaigns, including [[Operation Menu]] and later bombing under [[Operation Freedom Deal]], targeted Vietnamese communist bases and supply routes but also devastated rural Cambodian society. Researchers Ben Kiernan and Taylor Owen argue that the bombing drove many ordinary Cambodians toward the Khmer Rouge and helped transform a relatively small insurgency into a mass movement.<ref>{{Web citation\|title=Bombs Over Cambodia: New Light on US Air War\|date=2007-05-02\|url=https://apjjf.org/taylor-owen/2420/article\|website=The Asia-Pacific Journal: Japan Focus\|access-date=2026-06-27}}</ref>

	The bombing destroyed villages, displaced peasants, damaged agriculture, and deepened hatred toward the U.S.-backed Lon Nol government. The Khmer Rouge used this devastation in its propaganda and recruitment, presenting itself as the force capable of resisting foreign intervention and the collapsing Khmer Republic. Although the United States did not create the Khmer Rouge as an organization, U.S. policy helped create the conditions in which the Khmer Rouge could grow.		The bombing destroyed villages, displaced peasants, damaged agriculture, and deepened hatred toward the U.S.-backed Lon Nol government. The Khmer Rouge used this devastation in its propaganda and recruitment, presenting itself as the force capable of resisting foreign intervention and the collapsing Khmer Republic. Although the United States did not create the Khmer Rouge as an organization, U.S. policy helped create the conditions in which the Khmer Rouge could grow.
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	== References ==		== References ==
	<references />		<references />
			[[Category:Genocides]]
			[[Category:History of Cambodia]]

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2026-08-29T09:45:19Z

Fixed a link reference

← Older revision		Revision as of 09:45, 29 August 2026
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	After the coup, Sihanouk allied with the Khmer Rouge from exile. This gave the insurgency greater nationalist legitimacy among many rural Cambodians, since Sihanouk remained a widely recognized symbol of Cambodian independence. The Khmer Rouge therefore grew not only through its own organization, but also through the crisis produced by war, displacement, and the collapse of the old political order.		After the coup, Sihanouk allied with the Khmer Rouge from exile. This gave the insurgency greater nationalist legitimacy among many rural Cambodians, since Sihanouk remained a widely recognized symbol of Cambodian independence. The Khmer Rouge therefore grew not only through its own organization, but also through the crisis produced by war, displacement, and the collapse of the old political order.

			=== The Khmer Republic and U.S. intervention ===
			After Sihanouk's overthrow, the [[Khmer Republic]] under [[Lon Nol]] became increasingly dependent upon the [[United States]] for military, economic, and political support. The Nixon administration regarded Lon Nol's government as useful to the wider U.S. war against the Vietnamese revolutionary forces operating in Indochina. In April 1970, [[Richard Nixon]] wrote that the United States needed to make a "bold move" to demonstrate support for Lon Nol, while [[Henry Kissinger]] and other officials considered covert arms deliveries and other measures to strengthen his government.<ref>{{Web citation\|title=Memorandum From President Nixon to His Assistant for National Security Affairs (Kissinger)\|date=22 April 1970\|url=https://history.state.gov/historicaldocuments/frus1969-76v01/d64\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Memorandum for the Record\|date=10 April 1970\|url=https://history.state.gov/historicaldocuments/frus1969-76v06/d225\|website=Office of the Historian}}</ref>

			U.S. policymakers viewed Cambodia partly through its relationship to the war in neighboring Vietnam. A National Security Council memorandum described the preferred outcome as an anti-communist Cambodian government capable of preventing Vietnamese communist forces from using Cambodian territory against [[South Vietnam]]. After the withdrawal of U.S. ground forces from Cambodia in June 1970, Nixon committed the United States to sustaining Lon Nol's government with weapons, funding, air support, training, and economic assistance. By 1971, the administration considered hundreds of millions of dollars in military and economic assistance essential to achieving U.S. objectives in Cambodia.<ref>{{Web citation\|title=Memorandum From Roger Morris, Winston Lord, and Anthony Lake to Henry Kissinger\|date=22 April 1970\|url=https://history.state.gov/historicaldocuments/frus1969-76v06/d250\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Editorial Note on United States support for Cambodia\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d1\|website=Office of the Historian}}</ref><ref>{{Web citation\|title=Memorandum From the President's Assistant for National Security Affairs\|date=20 October 1971\|url=https://history.state.gov/historicaldocuments/frus1969-76v07/d271\|website=Office of the Historian}}</ref>

			To anti-imperialists, the Khmer Republic can therefore be understood as a U.S.-backed client regime incorporated into Washington's wider strategy for Indochina. Cambodia was not merely an isolated civil-war battlefield: its government, armed forces, air war, and survival became tied to U.S. efforts to contain Vietnamese communist forces and preserve the anti-communist order in South Vietnam. This dependency does not mean every action of Lon Nol's government was dictated directly from Washington, but the regime's military survival became deeply dependent upon U.S. imperial support.

	== U.S. bombing and destabilization ==		== U.S. bombing and destabilization ==
	Under President [[Richard Nixon]] and National Security Adviser [[Henry Kissinger]], the United States expanded the war into Cambodia. U.S. bombing campaigns, including [[Operation Menu]] and later bombing under [[Operation Freedom Deal]], targeted Vietnamese communist bases and supply routes but also devastated rural Cambodian society. Researchers Ben Kiernan and Taylor Owen argue that the bombing drove many ordinary Cambodians toward the Khmer Rouge and helped transform a relatively small insurgency into a mass movement.~~{{Web citation\|title=Bombs Over Cambodia: New Light on US Air War\|date=2007-05-02\|url=~~https://apjjf.org/taylor-owen/2420/article~~\|website=The Asia-Pacific Journal: Japan Focus\|access-date=2026-06-27}}~~		Under President [[Richard Nixon]] and National Security Adviser [[Henry Kissinger]], the United States expanded the war into Cambodia. U.S. bombing campaigns, including [[Operation Menu]] and later bombing under [[Operation Freedom Deal]], targeted Vietnamese communist bases and supply routes but also devastated rural Cambodian society. Researchers Ben Kiernan and Taylor Owen argue that the bombing drove many ordinary Cambodians toward the Khmer Rouge and helped transform a relatively small insurgency into a mass movement.<ref>https://apjjf.org/taylor-owen/2420/article</ref>

	The bombing destroyed villages, displaced peasants, damaged agriculture, and deepened hatred toward the U.S.-backed Lon Nol government. The Khmer Rouge used this devastation in its propaganda and recruitment, presenting itself as the force capable of resisting foreign intervention and the collapsing Khmer Republic. Although the United States did not create the Khmer Rouge as an organization, U.S. policy helped create the conditions in which the Khmer Rouge could grow.		The bombing destroyed villages, displaced peasants, damaged agriculture, and deepened hatred toward the U.S.-backed Lon Nol government. The Khmer Rouge used this devastation in its propaganda and recruitment, presenting itself as the force capable of resisting foreign intervention and the collapsing Khmer Republic. Although the United States did not create the Khmer Rouge as an organization, U.S. policy helped create the conditions in which the Khmer Rouge could grow.

KnifeOrSomething: There were two sections at the beginning which were the same text basically so i removed one

2026-07-07T19:18:20Z

There were two sections at the beginning which were the same text basically so i removed one

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	'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.		'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by genocidal anti-communist [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>
	[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]		[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many communists reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>
	'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by genocidal anti-communist, [[Pol Pot]], and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>

	Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many communists reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>

	== Background ==		== Background ==

Jadenw815 at 01:47, 6 July 2026

2026-07-06T01:47:40Z

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	'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.		'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.
	[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]		[[File:Tuol_Sleng_Genocide_Museum.jpg\|thumb\|Prison cells at Tuol Sleng, also known as S-21, one of the most infamous prisons used by the Khmer Rouge.]]
	'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by [[Pol Pot]] and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>		'''Cambodian genocide''', also referred to as the '''Khmer Rouge genocide''', was the mass killing, forced labor, starvation, disease, forced displacement, and political repression carried out under [[Democratic Kampuchea (1975–1979)\|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. The regime was led by genocidal anti-communist, [[Pol Pot]], and attempted to remake Cambodian society through an extreme agrarian program, abolishing money, attacking religion, emptying cities, and forcing much of the population into rural labor camps. Approximately 1.7 million people died, around one fifth of Cambodia's population at the time.<ref>https://macmillan.yale.edu/gsp/cambodian-genocide-program</ref>

	Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many ~~Marxist-Leninists~~ reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>		Although Democratic Kampuchea claimed communist legitimacy and is often described in anti-communist sources as a communist regime, many communists reject Pol Pot's politics as a nationalist, ultra-left, anti-Vietnamese deviation rather than socialism. The Khmer Rouge's rule destroyed working-class organization, attacked urban life, targeted minority groups, and produced a coercive agrarian state hostile to proletarian democracy. The regime was also closely aligned with the [[People's Republic of China]] against Vietnam and the Soviet Union, especially during the conflicts that developed into the [[Third Indochina War]].<ref>https://news.cornell.edu/stories/2014/03/mertha-documents-chinese-tutelage-khmer-rouge</ref>

	== Background ==		== Background ==
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	The Cambodian genocide remains one of the most severe mass atrocities of the twentieth century. It devastated Cambodian society, killed a large share of the population, and left lasting trauma across generations. It also became a major ideological weapon in Cold War politics, often used by anti-communists to equate the Khmer Rouge with all communism while ignoring the role of U.S. bombing, the Lon Nol regime, Chinese support, Thai border policy, and Western diplomatic support for anti-Vietnamese forces after 1979.		The Cambodian genocide remains one of the most severe mass atrocities of the twentieth century. It devastated Cambodian society, killed a large share of the population, and left lasting trauma across generations. It also became a major ideological weapon in Cold War politics, often used by anti-communists to equate the Khmer Rouge with all communism while ignoring the role of U.S. bombing, the Lon Nol regime, Chinese support, Thai border policy, and Western diplomatic support for anti-Vietnamese forces after 1979.

	~~From a Marxist-Leninist and anti-imperialist perspective, the~~ Cambodian genocide cannot be understood only as the product of Pol Pot's ideology. It must also be understood in the wider context of colonialism, the Vietnam War, U.S. imperial intervention, the collapse of Cambodian neutrality, the destruction of rural society, the Sino-Soviet split, the Third Indochina War, and Cold War opposition to Vietnam. The Khmer Rouge carried out the genocide, but the conditions of war and the later international protection of anti-Vietnamese forces show how imperialist and geopolitical interests helped shape both the rise and survival of the movement.		The Cambodian genocide cannot be understood only as the product of Pol Pot's ideology. It must also be understood in the wider context of colonialism, the Vietnam War, U.S. imperial intervention, the collapse of Cambodian neutrality, the destruction of rural society, the Sino-Soviet split, the Third Indochina War, and Cold War opposition to Vietnam. The Khmer Rouge carried out the genocide, but the conditions of war and the later international protection of anti-Vietnamese forces show how imperialist and geopolitical interests helped shape both the rise and survival of the movement.

	== References ==		== References ==
	<references />		<references />

Jadenw815: Added more info about Cambodian genocide

2026-06-29T06:02:31Z

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Jadenw815: Added some parts abut Khmer Rouge Genocide

2026-06-20T19:42:12Z

Added some parts abut Khmer Rouge Genocide

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'''Cambodian genocide''' or more properly called the '''Khmer Rouge Genocide''' refers to the mass killing, forced labor, starvation, disease, and political repression carried out under [[Democratic Kampuchea (1975–1979)|Democratic Kampuchea]], the state ruled by the [[Khmer Rouge]] from 1975 to 1979. Approximately 1.7 million people died, or around one fifth of Cambodia's population at the time.

{{cite web|title=Introduction to Cambodian Genocide Program|url=https://macmillan.yale.edu/gsp/introduction-cambodian-genocide-program|website=Yale MacMillan Center|access-date=2026-06-20}}The genocide followed years of war, foreign intervention, and social collapse. During the Vietnam War, the United States bombed Cambodia heavily, especially from 1970 to 1973. Historians Ben Kiernan and Taylor Owen have argued that the bombing contributed to rural devastation and helped the Khmer Rouge recruit among peasants angered by the destruction.

{{cite web|last=Kiernan|first=Ben|last2=Owen|first2=Taylor|title=Making More Enemies than We Kill? Calculating U.S. Bomb Tonnages Dropped on Laos and Cambodia, and Weighing Their Implications|url=https://apjjf.org/ben-kiernan/4313|website=The Asia-Pacific Journal: Japan Focus|date=2015-04-27|access-date=2026-06-20}}After taking [[Phnom Penh]] in April 1975, the Khmer Rouge forcibly evacuated cities and attempted to reorganize Cambodian society around rural forced labor. The regime abolished money, attacked religion, closed schools, and targeted perceived enemies of the revolution, including intellectuals, former officials, ethnic Vietnamese, Cham Muslims, and other groups.

The genocide ended after [[Vietnam]] invaded Cambodia in December 1978 and overthrew the Khmer Rouge government in January 1979, following repeated Khmer Rouge attacks along the Vietnamese border. Vietnam helped establish the [[People's Republic of Kampuchea]], while the ousted Khmer Rouge retreated toward the Thai border. During the Cold War, the United States, China, and several U.S.-aligned states opposed the Vietnamese-backed government, and Democratic Kampuchea or later anti-Vietnamese coalitions continued to hold Cambodia's United Nations seat for years despite the Khmer Rouge's role in the genocide.

{{cite web|title=The Rise and Fall of Democratic Kampuchea|url=https://www.asianstudies.org/publications/eaa/archives/the-rise-and-fall-of-democratic-kampuchea/|website=Association for Asian Studies|access-date=2026-06-20}}