| 4000 BC |
|
First traces of human habitation date to this time. |
| 1st C. AD |
|
Inland and coastal kingdoms based on Indian culture have developed. |
| 1st-6th C. AD |
|
Funan Empire flourishes in Cambodia, Hinduism introduced. |
| 6th C. AD |
|
Funan Empire overrun by Khmer people from the north. |
| early 9th C. AD |
|
Khmer (Kambuja) Empire founded. |
| 1181-1218 AD |
|
Khmer Empire enters it greatest period. Extends it's power through much of Southeast Asia. |
| 1100-1200 |
|
Angkor Wat and Angkor Thom temple complexes built. |
| c. 1200 |
|
Buddhism introduced. |
| 13th C. |
|
Decline of Khmer Empire begins. Territories lost to Siam and Vietnam. |
| 1431 |
|
Khmer Empire collapses following Thai invasion. |
| 1450-1850 |
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Cambodia falls under control of Siamese and Vietnamese kingdoms. |
| 18th C. |
|
Cambodia loses territory to Siam and Vietnam. |
| 1830s |
|
Siam and Vietnam escalate their battle for control of Cambodia. |
| 1854 |
|
King of Cambodia appeals to the French for protection. |
| 1863 |
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France establishes a protectorate in Cambodia. |
| 1887 |
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Cambodia becomes part of French colonial Indochina. |
| 1897 |
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Cambodian King reduced to a purely ceremonial status by the French. |
| 1907 |
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Siam returns captured territory. |
| 1941 |
|
Japan invades Cambodia, but leaves Vichy French administration in theoretical control. Three western provinces captured by Siam |
| 1941 |
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Prince Norodom Sihanouk becomes King. |
| March 1945 |
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Liberation of France in Europe results in collapse of Vichy French administration in Indochina. King Sihanouk declares independence under Japanese influence |
| late 1945 |
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France reestablishes control of Cambodia. |
| January 1946 |
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Cambodia becomes autonomous within the French Union. |
| 1946 |
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Communist guerrillas launch fight for full independence. |
| January 1953 |
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King Sihanouk dissolves parliament, declares martial law and asserts full independence from France. |
| 9 November 1953 |
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France accepts Cambodian independence. |
| early 1954 |
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Cambodia invaded by Viet Minh communist forces from neighbouring Vietnam. |
| May 1954 |
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Geneva Conference formally recognises Shihanouk's government. Foreign forces withdraw. |
| March 1955 |
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King Sihanouk abdicates in favour of his father, and establishes a new popular political movement. |
| Sept 1955 |
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Prince Sihanouk's party wins every seat in parliament and he becomes Prime Minister. |
| 1955 |
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Cambodia withdraws from French Union and joins United Nations. |
| 1960 |
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Prince Sihanouk becomes chief of state following the death of his father. |
| 1960-65 |
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Cambodia struggles to remain neutral in Vietnam War. |
| 1963 |
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Sihanouk refuses further US aid over US interference in Cambodian affairs. |
| 1965 |
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Diplomatic relations with US ended. Viet Cong allowed to use bases in Cambodia. Khmer Rouge launches guerrilla campaign. |
| Spring 1969 |
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USA begins secret aerial bombing of communist bases in Cambodia. |
| July 1969 |
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Ties with USA reestablished. |
| August 1969 |
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General Lon Nol becomes Prime Minister under Prince Sihanouk. Over 50,000 Vietnamese troops now in Cambodia. |
| 18 March 1970 |
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Sihanouk deposed in bloodless right-wing coup by General Lon Nol while he is out of the country. Cambodian forces attack Vietnamese bases in Cambodia. |
| October 1970 |
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'Khmer Republic' declared. |
| 1970 |
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Exiled Sihanouk forms Royal Government of National Union of Cambodia (GRUNC) backed by once hostile communist Khmer Rouge. |
| April 1970 |
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South Vietnamese & US forces enter Cambodia to attack communist strongholds. Upsurge in support for Khmer Rouge. |
| June 1970 |
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Communist forces drive Government troops out of north eastern provinces. |
| 9 October 1970 |
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Khmer Republic proclaimed, monarchy abolished. Government controls less than one third of country. |
| 2 December 1971 |
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North Vietnamese forces break through defences north of Phnom Penh. |
| 10 March 1972 |
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Lon Nol seizes power, National Assembly dissolved. |
| 4 June 1972 |
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Lon Nol elected President under new constitution. |
| 4 April 1973 |
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Highway 5 to Phnom Penh cut by Khmer Rouge forces. |
| 15 August 1973 |
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USA ends direct participation in fighting. |
| 17 April 1975 |
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Phnom Penh falls to Khmer Rouge. Cambodian government surrenders. |
| 1975 |
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Hard-line communist regime under Pol Pot takes control. Country renamed Kampuchea. Genocide of 1.7 million people over next four years begins. The infamous 'Year Zero'. |
| April 1975 |
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Sihanouk named as chief of state for life by Khmer Rouge. |
| May 1975 |
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US merchant ship SS Mayaguez seized, then returned after US air strikes. |
| 1976 |
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Country renamed Democratic Kampuchea. Sihanouk resigns. Pol Pot becomes Prime Minister. |
| Dec 1978 |
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Vietnamese and Laotian forces invade Cambodia after several border incidents. |
| 7 January 1979 |
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Phnom Penh captured by Vietnamese Army. Khmer Rouge start guerilla war from border regions. |
| January 1979 |
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Kampuchean People's Revolutionary Party take control. Vietnamese advisors oversee all levels of government. Country renamed People's Republic of Kampuchea. |
| 1982 |
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Major Vietnamese offensive fails to break guerrilla resistance. |
| 1982 |
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Sihanouk becomes head of coalition of Cambodian communist & non-communist guerrilla groups. |
| March 1986 |
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Guerrilla coalition launches successful attack on Battambang. |
| December 1987 |
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First formal talks between Sihanouk and Hun Sen's Vietnamese-backed government. |
| 1988 |
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Vietnam begins withdrawing troops. |
| September 1989 |
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Last Vietnamese troops withdrawn. |
| 1989 |
|
Country renamed State of Cambodia. Socialism abandoned. Buddhism reestablished. |
| January 1990 |
|
UN Security Council approves initial plan for UN monitored ceasefire and elections. |
| 26 June 1991 |
|
Permanent ceasefire agreed. |
| 23 October 1991 |
|
Formal peace agreement signed in Paris by all Cambodian factions. Civil war ends. |
| February 1992 |
|
UN launches largest UN peacekeeping mission ever. Takes over administration of Cambodia. |
| May 1993 |
|
General Election won by royalist Funcinpec party. Coalition government formed. |
| 1993 |
|
Khmer Rouge boycott elections and continue armed conflict. |
| September 1993 |
|
Monarchy restored - Sihanouk becomes king again. Country renamed Kingdom of Cambodia. |
| 1994 |
|
Thousands of Khmer Rouge guerillas surrender in government amnesty. |
| 1996 |
|
Khmer Rouge splits into two factions. Faction under Pol Pot continues fighting. |
| July 1997 |
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Joint Prime Minister Hun Sen stages violent coup against royalist co-premier Prince Ranariddh. |
| 1998 |
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Pol Pot dies in his jungle hideout. Khmer Rouge rapidly losing support. |
| July 1998 |
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Parliamentary elections held - Hun Sen becomes Prime Minister of coalition government. |
| 1999 |
|
Cambodia joins ASEAN. |
| Dec 2001 |
|
First bridge across the Mekong river opens - linking east and west of the country. |
| January 2003 |
|
Angry crowds attack Thai embassy in Phnom Penh after Thai TV star alleges that Angkor Wat temple complex was stolen from Thailand. |
| Oct 2004 |
|
King Sihanouk abdicates in favour of his son Norodom Sihamoni. |