The Nguyễn finished a citadel at Châu Đốc on the Hậu river near the Cambodian border. On seeing the map, Gia Long remarked that a waterway from here to Hà Tiên would serve both farming and trade, the idea behind the Vĩnh Tế canal.
Construction
Châu Đốc citadel completed
- 1816
- Southeast Asia
Meanwhile, elsewhere
- 1789 – 1799French RevolutionEurope
- 1792United States dollarNorth America
- 17th century – 19th centuryAge of EnlightenmentEurope
- 1815 – 1871Unification of ItalyEurope
- 24 June 1812French invasion of RussiaEurope
- 1839 – 1842First Opium WarEast Asia
- 30 April 1803Louisiana PurchaseNorth America
- 18th century – 19th centuryRomanticism