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.

10th century

Note that names vary considerably from source to source, as do dates.

Year	Date	Event
1602		King Suriyopear installed with help of Ayutthaya.
c.1616		Nguyen Phuoc Nguyen, king of Hue, approaches Suriyopear to form a military alliance directed at their enemies Ayutthaya and the Trinh dynasty of Hanoi.
1618		Suriyopear abdicates, enters a monastery. His son Chey Chettha II becomes king.
1623		According to the Chronicles and popular Cambodian belief, in this year King Chettha II allowed Vietnamese refugees from the Trịnh–Nguyễn Civil War to settle in the Khmer sea port of Prey Nokor. Professional scholars do not believe this happened.
1628		Death of Chettha II; followed as king by his son Ponhea Tu, while his younger brother Outhei takes the title Ubhayoraj, or senior king.
1632		Ponhea Tu killed after rebelling against the Ubhayoraj. Followed by his younger half-brother Ponhea Nur
1640		Death of Ponhea Nur in suspicious circumstances. Followed by Padumaraja I, son of Outhei.
1642		Murder of Padumaraja and Outhei by Ramadhipadi, son of Chettha II. Ramadhipati converts to Islam and takes the name Ibrahim.
1658–59		Two sons of Outhei rebel against Ramadhipati/Ibrahim and call on Vietnamese help. First Vietnamese intervention in Cambodia, four more in the course of the century. Ramadhipati/Ibrahim captured and removed to Hue, where he dies. Ang Sur, son of Outhei, becomes king.
1690		The Mekong Delta region of Cambodia was officially annexed by Vietnam.
1698		An emissary arrived in Prey Nokor to establish Vietnamese administration over the expatriate population.