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On February 9, 1953, Cambodia gained their independence from France.
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On December 14, 1955, Cambodia is granted membership of the United Nations.
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On August 27, 1963, Cambodia severed ties with South Vietnam
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On March 15, 1964, Cambodia was receiving military aid from Communist China.
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On June 4, 1972, Lon Nol is elected president of the Khmer Republic.
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China agrees to supply the Khmer Rouge forces with military equipment and supplies.
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The Khmer Rouge occupies the Vietnamese island of Tho Chu and kills around 500 residents.
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A Khmer Rouge gunboat seizes an American cargo vessel in the Gulf of Thailand.
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Vietnamese forces mobilize and eventually recapture Chu Quoc and Tho Chu.
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Almost 300 Cambodian refugees are shot by Khmer Rouge soldiers as they attempt to cross the border into Thailand.
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Mao Zedong, a Chinese communist leader, dies.
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Cambodia ends political and diplomatic relations with Vietnam.
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About 150,000 Vietnamese soldiers invade Cambodia.
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Vietnam forces gain control in Phnom Penh, ending nearly four years of Khmer Rouge rule.
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On September 27, 1989, the Vietnamese claim they have withdrawn from Cambodia.
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On October 23, 1991, a peace treaty is signed to end the conflict.
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United Nations supervised elections begin in Cambodia.
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After the nation-wide elections, the Royal Government of Cambodia is formed.
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On July 7, 1994, The Khmer Rouge is outlawed.
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On April 15, 1998, Pol Pot dies while under house arrest.
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