Burmese–Siamese War (1759–1760) | |||||||||
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Part of Burmese–Siamese wars | |||||||||
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Belligerents | |||||||||
Konbaung Dynasty (Burma) | Ayutthaya Kingdom (Siam) | ||||||||
Commanders and leaders | |||||||||
Alaungpaya † Hsinbyushin Minkhaung Nawrahta |
Ekkathat Uthumphon |
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Units involved | |||||||||
Royal Burmese Army including:
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Royal Siamese Army | ||||||||
Strength | |||||||||
Invasion force: |
Tenasserim and Gulf of Siam theaters (initial): |
Royal Burmese Army including:
Invasion force:
40,000 (including 3000 cavalry)
Rearguard:
Tenasserim and Gulf of Siam theaters (initial):
27,000 men, 1300 cavalry, 200 elephants
Gulf of Siam (later):
60,000
Suphanburi and Ayutthaya:
The Burmese–Siamese War (1759–1760) (Burmese: ယိုးဒယား-မြန်မာစစ် (၁၇၅၉–၁၇၆၀); Thai: สงครามพม่า-สยาม (พ.ศ. 2302–2303)) was the first military conflict between the Konbaung Dynasty of Burma (Myanmar) and the Ban Phlu Luang Dynasty of Siam (Thailand). It reignited the centuries-long warfare between the two states that would go on for another century. The Burmese were "on the brink of victory" when they suddenly withdrew from their siege of Ayutthaya because their king Alaungpaya had fallen ill. He died three weeks later, ending the war.
The casus belli were over the control of the Tenasserim coast and its trade, and the Siamese support for ethnic Mon rebels of the fallen Restored Hanthawaddy Kingdom. The newly founded Konbaung Dynasty had wanted to reestablish Burmese authority in the upper Tenasserim coast (present-day Mon State) where the Siamese had provided support to the Mon rebels and deployed their troops. The Siamese had refused Burmese demands to hand over the rebel Mon leaders or to stop their intrusions into what the Burmese considered their territory.