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Cambodia declares independece from France and becomes the Kingdom of Cambodia.
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Head of State Sihanouk, breaks off relations with the US.
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Sihanouk allows North Vietnamese guerrillas to set up bases in Cambodia in pursuance of the US-backed government in South Vietnam.
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The US begins a secret bombing campaign aganist North Vietnamese forces on Cambodian soil.
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Prime Minister Lon Nol overthrows Sihanouk in coup. Lon sends the army to fight the North Vietnamese in Cambodia.
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Lon Nol is overthrown by Khmer Rouge led by Pol Pot occupy Phnom Penh. Sihanouk briefly becomes head of state. Then the country is renamed Kampuchea.
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The country is re-named Democratice Kampuchea. Sihanouk resigns, Khieu Samphan becomes head of state, Pol Pot is prime minister.
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A fight breaks out between them and Vietnam.
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Vietnamese forces invade in a lightning assault.
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Vietnamese forces take Pon Penh. Pol Pot and Khmer Rouge forces flee to the border region with Thailand.
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Hun Sen becomes prime minister.
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The country is re-named the state of Cambodia. Hun Sen tries to attract foreign investment by abandoning socialism.
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Pol Pot dies in his jungle hideout.
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First bridge across the Mekong River opens. That linked east and west Cambodia.
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Serious upset with Thailand over comments attributed to a Thai TV star that the Angkor Wat temple complex was stolen from Thailand. Hun Sen Cambodian People's Party wins general elections, but fails to secure sufficient majority to govern alone.
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After nearly a year of political deadlock, prime Minister Hun Sen is re-elected.
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Sam Rainsy is convicted in absentia of defaming Hun Sen and he is sentenced to 18 months in prison.
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Hun Sen's ruling CPP claims victory in parliamentary elections criticised by EU monitors. Cambodia and Thailand move troops to disputed land near Preah Vihear temple.
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Two Cambodian soldiers die in an exchange fire with Thai troops in the disputed area. Thai soldier dies later from wounds.
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Former Khmer Rouge leader Kaing Guek Eav known as Duch goes on trial on charges over the murder and torture of thousands of people as head of the notorious Tuol Sleng prison camp.
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Comrade Duch is found guilty and is given a 35-year sentence.
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Tensions rise as Cambodia charge two Thai soldiers for spying after they were arrested for crossing the disputed border.
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Former King, Norodom Sihanouk, dies of a heart attack. He was 89 years old.
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Mass protests in Phnom Penh over contestes election results. Parliament approves a new five-year term for Hun Sen.
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Hun Sen marks 30 years in power of Cambodia.
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