Ordered by Gia Long, Vietnamese and Cambodian corvée labourers under Nguyễn Văn Thoại dug a canal along the border from Châu Đốc to Hà Tiên, in three seasons in 1820, 1823 and 1824. Many died, and the forced labour fed Khmer revolts.
Construction
Vĩnh Tế canal dug
- 1820 – 1824
- Southeast Asia
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