The Burmese–Siamese wars also known as the Yodian wars (), were a series of wars fought between Burma and Siam from the 16th to 19th centuries.Harvey, pp. xxviii–xxx.James, p. 302.
Toungoo (Burma)–Ayutthaya (Siam) No. Name Results Notes 1 Burmese–Siamese War (1547–1549) Siamese defensive victory First siege of AyutthayaBurma captures Tavoy from Siam in 1547–1548,Harvey 1925: 158Hmannan Vol. 2 2003: 238–239 and invades Siam in 1548–1549 but is unsuccessful at capturing Ayutthaya.Damrong, pp. 14–26. 2 Burmese–Siamese War (1563–1564) Burmese victory Second siege of AyutthayaAlso called the War over the White Elephants.Burma invades Siam and captures Ayutthaya. Siam becomes a vassal of Burma.Damrong, pp. 27–41. 3 Burmese–Siamese War (1568–1569) Burmese victory Third siege of AyutthayaSiam rebels. Burma invades and recaptures Ayutthaya. Siam remains a vassal of Burma.Damrong, pp. 42–64. 4 Burmese–Siamese War (1584–1593) Siamese victory Fourth siege of AyutthayaAfter Siam declares independence in 1584, Burma invades Siam five times but is driven back each time.Harvey 1925: 181Damrong, pp. 65–144. 5 Burmese–Siamese War (1593–1600) Inconclusive First Siamese invasion of BurmaSiam conquers the Tenasserim coastal region to Martaban.Lan Na (Chiang Mai) becomes a vassal of Siam, c. 1602Damrong, pp. 145–179.Fernquest, pp. 51–52.Wood, p. 144. 6 Burmese–Siamese War (1609–1622) Burmese victory Wars of Nyaungyan restoration Burma regains Martaban and Tavoy (1613), and Lan Na (1614).Hmannan Vol. 3 2003: 175–178Harvey 1925: 189 7 Burmese–Siamese War (1662–1664) Burmese defensive victory Second Siamese invasion of Burma Siam briefly captures the upper Tenasserim coast to Martaban in 1662 before driven back. In 1663, Siam again invades upper Tenasserim coast and Lan Na, capturing Chiang Mai. Siamese forces evacuate Chiang Mai in 1664.Harvey 1925: 198Hmannan Vol. 3 2003: 277Damrong, pp. 220–239.Wood, pp. 191–194. 8 Burmese–Siamese War (1675–1676) Inconclusive Burma successfully defends the Upper Tenasserim coast (1675).Siam successfully defends against a counter Burmese invasion (1675–1676). 9 Burmese–Siamese War (1700–1701) Siamese defensive victory Siam successfully defends against a Burmese invasion.
Konbaung (Burma)–Ayutthaya (Siam) No. Name Results Notes 1 Burmese–Siamese War (1759–1760) Inconclusive Fifth Siege of AyutthayaBurma conquers the Tenasserim coastal region down to the Tavoy–Mergui frontier. Burma besieges the city of Ayutthaya but returns home when their King is injured and becomes ill.Damrong, pp. 240–311.Wood, pp. 240–242. 2 Burmese–Siamese War (1765–1767) Burmese victory Sixth Siege of AyutthayaBurma invades Siam and besieges Ayutthaya, ending the Ayutthaya Kingdom and plunging the former kingdom into civil war in the subsequent vacuum.Damrong, pp. 312–357.Wood, pp. 243–250.
Konbaung (Burma)–Thonburi (Siam) No. Name Results Notes1Taksin's reunification of SiamSiamese victoryTaksin expels out a small Burmese garrison in Siam and reunifies the country2Siamese expedition to Chiang Mai (1771)Burmese victoryTaksin fails to capture Chiang Mai in 17713Burmese raids on Phichai (1771-1773)Siamese victoryPhichai is defended4Siamese conquest of Lan Na (1774–1775)Siamese victoryLanna is conquered by SIam5Bangkaeo CampaignSiamese victoryA Burmese army is encircled at Bangkaeo 6 Burmese–Siamese War (1775–1776) Siamese victory Siamese control of Lan NaLan Na declares independence in 1775, with a resurgent Siam's assistance (under King Taksin). Burma invades Lan Na and Siam. After the death of King Hsinbyushin, the Burmese withdrew from Siam, allowing the Siamese to claim Lan Na, ending over two centuries of Burmese rule.Wood, pp. 263–267.
Konbaung (Burma)–Rattanakosin (Siam) No. Name Results Notes 1 Burmese–Siamese War (1785–1786) Siamese defensive victory The Nine Armies' WarBurma tries to capture Siam, and is soundly defeated.Wood, p. 273.Symes, pp. 96–97.2Tha Din Daeng CampaignSiamese victorySiamese forces destroy a Burmese army in Tha Din Daeng. 3 Burmese–Siamese War (1788) Burmese defensive victorySiamese Invasion of TenasserimSiam tries to capture Tavoy, and reclaim the Tenasserim coast but fails. 4 Burmese–Siamese War (1792–1794) Burmese defensive victorySiamese invasion of TenasserimSiam unsuccessfully tries to regain the lower Tenasserim coast (Tavoy and Mergui).Phayre 1967: 218–219Symes, p. 97-98. 5 Burmese–Siamese War (1797–1798)Siamese defensive victory Burmese Invasion of Chiang MaiBurma invades Lan Na and besieges Chiang Mai. The city was taken, but Kawila asks for reinforcement from Rama I, which helped them recapture the city.Ongsakul, p. 155. 6 Burmese–Siamese War (1802–1805) Siamese victory Siamese Invasion of Chiang SaenBurma attacks Lan Na, but is defeated again. Siam and its ally Lan Na attacks and expels the Burmese from their stronghold at Chiang Saen.Ongsakul, p. 150. 7 Burmese–Siamese War (1809–1812) Siamese defensive victory Burmese Invasion of ThalangBurma unsuccessfully attempts to capture Junk Ceylon and is repelled in 1810 and 1812.Skinner, pp. 59–61.Gerini, pp. 81–82. 8 First Anglo-Burmese War (1824–1826) British victory Conflict mostly between Burma and the United Kingdom. Siam, as a nominal British ally, secures the Burney Treaty with the British East India Company and briefly invades Burma.Wood, pp. 276–277Turton, p. 119-20Van Roy, p. 172-73 9 Burmese–Siamese War (1849–1855) Burmese defensive victory Siamese invasion of Kengtung and Chiang Hung Siam tries to take over Kengtung and Chiang Hung during the Second Anglo-Burmese War. Local Shan sawbwas hold out until Burma's main armies manage to drive out the Siamese in 1855.Hardiman, Vol. 1 1901: 38, and Vol. 2 1901: 408–409Ratchasomphan, Wyatt 1994: 119
See also Burma–Thailand relations Military history of Myanmar Military history of Thailand History of Burma History of Thailand List of wars involving Myanmar List of wars involving Thailand Our Wars with the Burmese Siamese–Vietnamese wars
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