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Khmer Rouge enters Phnon Penh.
The Khmer Rouge enters the capital and takes power. -
Phnom Penh falls to the Vietnamese.
Khmer forces flee to the Thai border. -
Former Khmer Rouge member Hun Sen becomes prime minister.
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Peace Agreement Signed in Paris.
Cambodia is placed under United Nations supervision. -
Cambodia holds its first democratic elections.
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Prince Norodom Ranariddh becomes first prime minister.
Hun Sen of the Cambodian People's Party is named second prime minister. -
Cambodia outlaws the Khmer Rouge.
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Hun Sen ousts Norodom Ranariddh after violent clashes.
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Pol Pot dies.
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Pol Pot's deputy, Nuon Chea, defects to the government.
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Cambodian authorities arrest Kaing Guek Eav, known as Duch, for his role as head of the Khmer Rouge S-21 interrogation centre.
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The United Nations and Cambodia agree to an international tribunal for former Khmer Rouge leaders.
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Duch goes on trial in first case at Cambodia's U.N.-backed war crimes court.
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Duch sentenced to 30 years in prison for war crimes and crimes against humanity.
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Top former regime leaders indicted.
Nuon Chea, Ieng Sary, Ieng Thirith and Khieu Samphan are indicted for genocide, war crimes and crimes against humanity. -
The tribunals's second trial involving the regime's four most senior surviving leaders opens.
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Judges say leng Thirith is unfit for trial.
She was diagnosed with dementia and judges say she should be released immediately. But she is held while appeal is underway. -
The court hears opening statements in the case against the remaining three defendants.