18th century Year Date Event 1749 The Vietnamese conquered the Mekong Delta. 1779 A new Khmer king, Ang Eng, was installed under Thai protection. 19th century Year Date Event 1820 A Khmer revolt took place against Vietnamese rule . 1841 Ang Duong became king. 1851 Cambodia successfully overthrew the Vietnamese occupation. 1860 Ang Duong died. His son Norodom succeeded him. 1863 Faced with a domestic rebellion, Norodom was forced to accept an offer of protection from the French. 1887 October Cambodia was subsumed into the Indochinese Union. 1897 The Résident supérieur was granted the royal powers of tax collection, rule by decree, and appointment of royal officials and crown princes. 20th century Year Date Event 1941 Japanese occupation of Cambodia: Japanese troops occupied Cambodia. King Sisowath Monivong died. The French chose his grandson Norodom Sihanouk to succeed him. 1945 After its defeat in World War II, Japan relinquished its Indochinese territories. 1953 9 November Cambodia officially gained its independence from France. 1955 2 March King Sihanouk abdicated in favour of his father, Norodom Suramarit. 1963 27 August Cambodia severed ties with South Vietnam. 1970 18 March General Lon Nol overthrew Sihanouk and established a republic. Start of the Cambodian Civil War and the US Cambodian Campaign 1975 17 April The Khmer Rouge allied with Sihanouk captured Phnom Penh and declared the establishment of Kingdom of Cambodia. 1976 2 April Sihanouk exiled and establishment of Democratic Kampuchea under total Khmer Rouge control. 1977 31 December Cambodia broke relations with the Socialist Republic of Vietnam. 1979 7 January Cambodian-Vietnamese War: Vietnamese troops captured Phnom Penh establishing the People's Republic of Kampuchea. The rule of the Khmer Rouge is over. 1989 26 September The last Vietnamese troops withdrew from Cambodia. 1992 16 March A United Nations peacekeeping force, the United Nations Transitional Authority in Cambodia (UNTAC), began monitoring Cambodia. 1993 May Cambodia held free elections. The Khmer Rouge boycotted them. 24 September A new constitution was ratified, under which the Cambodian monarchy was restored. Norodom Sihanouk returned to the throne. 1997 The Extraordinary Chambers in the Courts of Cambodia, a tribunal for the Khmer Rouge, was established. 1998 15 April Death of Pol Pot. 21st century Year Date Event 2003 18 January An Angkor newspaper reported that Suvanant Kongying, a Thai actress, had claimed that Angkor Wat rightfully belonged to Thailand. 28 January Thai television programs were banned from broadcasting in Cambodia. 29 January 2003 Phnom Penh riots: Nationalist rioters destroyed the Thai embassy in Phnom Penh. 7 July Cambodian parliamentary election: Prime Minister Hun Sen's Cambodian People's Party won a majority of seats in the National Assembly. 2004 14 October King Norodom Sihanouk abdicated. His son Norodom Sihamoni was crowned as his successor. 2008 June 2008 Cambodian-Thai stand-off: Clashes began with Thailand over territory immediately adjacent to the Preah Vihear Temple. 2012 15 October Former King of Cambodia Norodom Sihanouk died in Beijing at the age of 89. 2014 3 January Military police opened fire at opposition protesters, leaving 3 people dead and more than 20 injured.
18th century 19th century 20th century 21st century 
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Year Date Event 1749 The Vietnamese conquered the Mekong Delta. 1779 A new Khmer king, Ang Eng, was installed under Thai protection.
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Year Date Event 1820 A Khmer revolt took place against Vietnamese rule . 1841 Ang Duong became king. 1851 Cambodia successfully overthrew the Vietnamese occupation. 1860 Ang Duong died. His son Norodom succeeded him. 1863 Faced with a domestic rebellion, Norodom was forced to accept an offer of protection from the French. 1887 October Cambodia was subsumed into the Indochinese Union. 1897 The Résident supérieur was granted the royal powers of tax collection, rule by decree, and appointment of royal officials and crown princes.
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Year Date Event 1941 Japanese occupation of Cambodia: Japanese troops occupied Cambodia. King Sisowath Monivong died. The French chose his grandson Norodom Sihanouk to succeed him. 1945 After its defeat in World War II, Japan relinquished its Indochinese territories. 1953 9 November Cambodia officially gained its independence from France. 1955 2 March King Sihanouk abdicated in favour of his father, Norodom Suramarit. 1963 27 August Cambodia severed ties with South Vietnam. 1970 18 March General Lon Nol overthrew Sihanouk and established a republic. Start of the Cambodian Civil War and the US Cambodian Campaign 1975 17 April The Khmer Rouge allied with Sihanouk captured Phnom Penh and declared the establishment of Kingdom of Cambodia. 1976 2 April Sihanouk exiled and establishment of Democratic Kampuchea under total Khmer Rouge control. 1977 31 December Cambodia broke relations with the Socialist Republic of Vietnam. 1979 7 January Cambodian-Vietnamese War: Vietnamese troops captured Phnom Penh establishing the People's Republic of Kampuchea. The rule of the Khmer Rouge is over. 1989 26 September The last Vietnamese troops withdrew from Cambodia. 1992 16 March A United Nations peacekeeping force, the United Nations Transitional Authority in Cambodia (UNTAC), began monitoring Cambodia. 1993 May Cambodia held free elections. The Khmer Rouge boycotted them. 24 September A new constitution was ratified, under which the Cambodian monarchy was restored. Norodom Sihanouk returned to the throne. 1997 The Extraordinary Chambers in the Courts of Cambodia, a tribunal for the Khmer Rouge, was established. 1998 15 April Death of Pol Pot.
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Year Date Event 2003 18 January An Angkor newspaper reported that Suvanant Kongying, a Thai actress, had claimed that Angkor Wat rightfully belonged to Thailand. 28 January Thai television programs were banned from broadcasting in Cambodia. 29 January 2003 Phnom Penh riots: Nationalist rioters destroyed the Thai embassy in Phnom Penh. 7 July Cambodian parliamentary election: Prime Minister Hun Sen's Cambodian People's Party won a majority of seats in the National Assembly. 2004 14 October King Norodom Sihanouk abdicated. His son Norodom Sihamoni was crowned as his successor. 2008 June 2008 Cambodian-Thai stand-off: Clashes began with Thailand over territory immediately adjacent to the Preah Vihear Temple. 2012 15 October Former King of Cambodia Norodom Sihanouk died in Beijing at the age of 89. 2014 3 January Military police opened fire at opposition protesters, leaving 3 people dead and more than 20 injured.