Timeline of Cambodian history

This is a timeline of Cambodian history, comprising important legal and territorial changes and political events in Cambodia and its predecessor states. To read about the background to these events, see History of Cambodia. See also the list of kings of Cambodia.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries.

9th century

Year	Date	Event
802		Jayavarman II declared independence from Srivijaya under the Sailendra, proclaiming himself the divine king of Kambuja.
850		Jayavarman died. His son Jayavarman III succeeded him.
877		Jayavarman III died. He was succeeded by his cousin Indravarman I.
890		Indravarman died. His son Yasovarman succeeded him.

10th century

Year	Date	Event
968		Jayavarman V succeeded Rajendravarman II as ruler of Kambuja, now the Khmer Empire.

11th century

Year	Date	Event
1001		Jayavarman V died. He was succeeded by Udayadityavarman I.
1002		The king died. A civil war ensued between Jayaviravarman and Suryavarman I, both of whom claimed the throne.
1010		Suryavarman became the uncontested king of the Khmer Empire.
1050		Suryavarman died. He was succeeded by Udayadityavarman II, a descendant of Yasovarman's wife.
1066		Udayadityavarman died. Harshavarman III succeeded him.

12th century

Year	Date	Event
1107		Jayavarman VI died. He was succeeded by Dharanindravarman I.
1113		Dharanidravarman died, possibly murdered by his great nephew Suryavarman II who succeeded him.
1132		An attempted invasion of Vietnam was defeated.
1150		Suryavarman died, possibly in a military campaign against the Cham of Central Vietnam. Dharanindravarman II succeeded him.
1160		Dharanindravarman died. He was succeeded by Yasovarman II.
1177		Cham invaders took control of Yasodharapura, the Khmer capital, and executed the king.

13th century

Year	Date	Event
1203		Jayavarman forcibly annexed the south of Champa.
1219		Jayavarman died. He was succeeded by Indravarman II.
1238		Two Thai chieftains in the city of Sukhothai declared the establishment of the Sukhothai Kingdom and its independence from Angkorian dominion.
1243		Indravarman died. Jayavarman VIII succeeded him.
1283		Jayavarman agreed to pay tribute to the Mongol Empire in lieu of suffering invasion.
1295		Jayavarman VIII was allowed to abdicate after being deposed by his son-in-law Indravarman III (Srindravarman), the first king to make Theravada Buddhism the state religion.

14th century

Year	Date	Event
1351		The Siamese Ayutthaya Kingdom laid siege to Angkor for a year and a half, then invaded and conquered it, leaving an Ayutthayan prince to rule.
1357		King Suryavong led the Khmer army in retaking Angkor from the Siamese.

15th century

Year	Date	Event
1431		The Thai invades Angkor. The Khmer capital is relocated to Srei Santhor.
1471		Thousands of Cham settle in Cambodia as refugees from the fall of Champa to the Vietnamese.

16th century

Year	Date	Event
1505		The royal Khmer court moves to Oudong.
1525		The royal Khmer court moves to Longvek.
1593		King Sattha requested protection from the Spanish governor of the Philippines against the Thai.
1594		The Thai captured the Cambodian capital, Longvek, and installed a military governor there.
		Sattha died.
1597		Spain installed a son of King Sattha on the Cambodian throne.
1599		The Spanish soldiers in Cambodia were massacred by Malay mercenaries.

17th century

Year	Date	Event
1623		King Chettha II allowed Vietnamese refugees from the Trịnh–Nguyễn Civil War to settle in the Khmer sea port of Prey Nokor.
1659		A Cambodian civil war was followed by a Vietnamese invasion.
1690		The Mekong Delta region of Cambodia (from Prey Nokor to Psar Dek and Moat Chrouk) was officially annexed by Vietnam.
1698		An emissary arrived in Prey Nokor to establish Vietnamese administration over the expatriate population.

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.