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Cambodia gains independence from France.
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Prince Norodom Sihanouk becomes head of state in Cambodia.
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The Khmer Rouge is founded by a group of intellectuals influenced by Maoism.
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The Khmer Rouge which was a communist group led by Pol Pot, rises in Cambodia.
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The United States begins a secret bombing campaign against Cambodia
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The Royal Cambodian Armed Forces (RCAF) launch a coup against Prince Sihanouk while he is on a trip abroad, and General Lon Nol becomes the new leader of Cambodia
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The Khmer Rouge launch a guerrilla campaign against the Lon Nol regime.
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The United States ends its bombing campaign in Cambodia.
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The Khmer Rouge capture Phnom Penh and begin a radical program (Year Zero) of social engineering that leads to the deaths of an estimated 1.7 million Cambodians.
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Vietnam invades Cambodia and overthrows the Khmer Rouge government.
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The People's Republic of Kampuchea (PRK), backed by Vietnam, is established as the new government of Cambodia.
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The Vietnamese government announces that it will withdraw its troops from Cambodia.
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The Paris Peace Accords are negotiated between the warring factions in Cambodia, and provide for a ceasefire, the disarmament of all factions, and the holding of free and fair elections.
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The United Nations broke a peace agreement between the warring factions in Cambodia.
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The Paris Peace Accords are signed, bringing an end to the civil war and foreign intervention in Cambodia.
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Cambodia holds its first free and fair elections in decades, and a power-sharing agreement is reached between the royalist FUNCINPEC party and the Cambodian People's Party (CPP), led by Hun Sen.
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A coup led by Hun Sen removes Prince Norodom Ranariddh from power and consolidates the rule of the Cambodian People's Party (CPP).
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Pol Pot, the former leader of the Khmer Rouge, dies while under house arrest.
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The remaining leaders of the Khmer Rouge surrender and the group officially dissolves.
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The Extraordinary Chambers in the Courts of Cambodia (ECCC), also known as the Khmer Rouge Tribunal, is established to prosecute the surviving leaders of the Khmer Rouge for war crimes, crimes against humanity, and genocide.
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The ECCC convicts Khmer Rouge leaders Nuon Chea and Khieu Samphan of genocide against the Cham Muslim and Vietnamese minority groups.