King Ang Chan II offered the Nguyễn, through Nguyễn Văn Thoại, the lands of Chân Sum, Mật Luật and Prey Kabbas. The court took the first two, between Giang Thành and Châu Đốc, which became Tĩnh Biên prefecture of Hà Tiên in 1839.
Treaty
Cambodia cedes Chân Sum and Mật Luật
- 1824
- Southeast Asia
Meanwhile, elsewhere
- 1789 – 1799French RevolutionEurope
- 17th century – 19th centuryAge of EnlightenmentEurope
- 1845 – 1852Great Irish FamineEurope
- 1846 – 1848Mexican-American WarMesoamerica and the Caribbean
- 1815 – 1871Unification of ItalyEurope
- 24 June 1812French invasion of RussiaEurope
- 1839 – 1842First Opium WarEast Asia
- 30 April 1803Louisiana PurchaseNorth America