The Siamese–Vietnamese wars were a series of armed conflicts between the Siamese

Ayutthaya Kingdom The Ayutthaya Kingdom (; th, อยุธยา, , IAST: or , ) was a Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. The Ayutthaya Kingdom is consi ...

and Rattanakosin Kingdom and the various dynasties of

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making ...

mainly during the 18th and 19th centuries. Several of the wars took place in modern-day

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand ...

. The political, dynastic, and military decline of the Khmer Empire after the 15th century, known as the

Post-Angkor Period The post-Angkor period of Cambodia ( km, ប្រទេសកម្ពុជាក្រោយសម័យអង្គរ), also called the Middle Period and Dark Age ( km, យុគ្គអន្ធកាល, lit=Isolationism, link=yes; ( km ...

, left a

power vacuum In political science and political history, the term power vacuum, also known as a power void, is an analogy between a physical vacuum to the political condition "when someone in a place of power, has lost control of something and no one has r ...

in the Mekong floodplains of central Indochina. United under strong dynastic rule, both Siam to the west and Vietnam to the east sought to achieve hegemony in the lowland region and the Lao mountains. The Siamese introduced - and Vietnam soon followed - the hostage system for Cambodian royals, who were relocated to their courts, actively undermining royal affairs and shaping future Cambodian policies. Eventually, territory was annexed by both powers, who conceived, maintained and supported their favorable Cambodian puppet kings. Actual combat mainly took place on Cambodian territory or on occupied lands. The 19th-century establishment of

French Indochina French Indochina (previously spelled as French Indo-China),; vi, Đông Dương thuộc Pháp, , lit. 'East Ocean under French Control; km, ឥណ្ឌូចិនបារាំង, ; th, อินโดจีนฝรั่งเศส, ...

put an end to Vietnamese sovereignty and to Siamese policies of regional expansion. Subsequent clashes of the two countries were not caused by regional rivalry, but must be viewed in the context of the 20th-century imperial policies of foreign great powers and the Cold War.Kohn, p. 447.Schliesinger, p. 106.

Prelude

The roots of the conflict started at the beginning of the 14th century, when Tai people busily expanded their states and came to clash with established Vietnamese state in the east. During the latter centuries, as the Vietnamese expanding southward to the lower Mekong, they came to conflict with Cambodia and the Siamese state.Zottoli, p. 80.

List of Siamese-Vietnamese wars

Notes

Citations

References

* * * * * * * * * * * * {{DEFAULTSORT:Siamese-Vietnamese wars Wars involving Thailand Wars involving Vietnam Wars involving the Đại Việt Kingdom Military history of Vietnam Military history of Thailand Thailand–Vietnam military relations

Prelude

List of Siamese-Vietnamese wars

See also

Notes

Citations

References