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Cambodia wins its independence from France. Under King Sihanouk, it becomes the Kingdom of Cambodia.
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Sihanouk abdicates to pursue a political career. His father becomes king and Sihanouk becomes prime minister.
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King Norodom Suramarit died, Sihanouk became head of state
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Cambodia severed ties with South Vietnam
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Sihanouk broke off relations with United States, allowed North Vietnamese guerillas to set up bases
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US B-52's drop 3,000 ton bombs at Cambodian boundary
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Cambodia recognizes German DR
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Cambodia military coup under General Lon Nol, Prince Sihanuk flees
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US and South Vietnamese forces launch an incursion into Cambodia, expanding the Vietnam War
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US troops invade Cambodia
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Cambodia launches bloody incursions into Vietnam
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Phnom Penh falls to the Vietnamese, who install a new regime. Civil war begins, pitting the Khmer Rouge, nationalists and royalists against each other.
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Hun Sen, a former Khinted as prime minister of Cambodia's Vietnam-installed government.
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Vietnam says it has withdrawn from Cambodia.
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A peace treaty is signed to end the conflict. Cambodia is placed under UN supervision until elections are held. UN peacekeepers begin operations almost five months later
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After decades of unrest, the first democratic elections are held, sponsored by the UN.
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Prince Norodom Ranariddh of the royalist Funcinpec party becomes first prime minister, and Hun Sen of the Cambodian People's Party is named second prime minister.
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The Khmer Rouge is outlawed
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Former Khmer Rouge foreign minister Ieng Sary defects to the Cambodian government, bringing thousands of followers with him.
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Hun Sen ousts Norodom Ranariddh from power after violent clashes between the two factions.
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Pol Pot dies while under house arrest by Khmer Rouge rebels who had turned against him.
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Khmer Rouge ideologue Nuon Chea, Pol Pot's deputy, defects to the government along with the regime's ex-head of state Khieu Samphan.
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Cambodian authorities arrest Kaing Guek Eav, better known as Duch, for his role as head of the Khmer Rouge S-21 interrogation centre
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After tough negotiations, the United Nations and Cambodia agree to an international tribunal for former Khmer Rouge leaders.
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Ta Mok, known as "The Butcher", dies before appearing in front of the tribunal