Siamese Invasion
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Was a large-scale Siamese invasion of Vietnam during the Siamese-Vietnamese War (1831-1834) and the Siamese-Vietnamese War (1841-1845).
Chronology
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February 1833: In 1833, the Siamese forces, led by King Rama III, quickly took control of Hà Tiên, a territory that was previously under the rule of the Nguyễn dynasty in Vietnam. This military occupation marked a significant shift in power dynamics in the region.
February 1833: The Siamese reached the Vàm Nao Canal or Thuận Cảng Canal in January 1833.
November 1840: Bodindecha was a Siamese nobleman and military commander who negotiated the peaceful surrender of Pursat in 1840 with the military commander of the territory. This event marked the transfer of control of Pursat to Siam through military occupation.
November 1841: The Vietnamese retreated in front of the invadinf Siamese forces, leaving Cambodia in Siamese hands. Vietnamese Viceroy Trương Minh Giảng evacuated Phnom Penh and committed suicide.
February 1833: In 1833, Phraklang, the Siamese military leader, led his fleet up the Vĩnh Tế Canal and captured Châu Đốc in An Giang Province. This marked the beginning of Siam's military occupation of the territory.
November 1840: Trương Minh Giảng retook Kampong Svay.
May 1842: Tôn Thất Nghị and Nguyễn Công Nhân pushed the Siamese back. The Siamese were defeated at Châu Đốc.
February 1842: At the An Giang front, Chao Phraya Yommaraj Bunnag and Prince Ang Duong had led Siamese armies in January 1842 to take the Vĩnh Tế Canal and An Giang province, penetrating into Hậu Giang Province.
November 1840: The Siamese were able to take Kampong Svay.
