Burmese-Siamese War (1563-64)
If you are looking for the page with the statistics about this event you can find it here:All Statistics
Was a war between the Toungoo dynasty of Burma and the Ayutthaya Kingdom of Siam. The cause of the war was an attempt by the Toungoo King Bayinnaung to force the Ayutthaya kingdom into submission under his rule, as part of his campaign that later created the largest empire ever to exist in Southeast Asia.
Chronology
Interactive Chronologies with maps are available in the section Changes Navigation
January 1564: King Bayinnaung, familiar with the terrain of Siam due to his prior expeditions with the late Tabinshwehti, entered Siam through what is now known as Three Pagodas Pass in Kanchanaburi Province.
January 1564: A separate Burmese army entered through Mae Lamow Pass in what is now Tak Province.
January 1564: The governor of Phitsanulok, Mahathammarachathirat, faced with a large opposing force, betrayed the Siamese cause and signed a treaty of friendship with Bayinnaung, contributing forces to Bayinnaung's now even larger army.
January 1564: Mahathammarachathirat was the ruler of Sukhothai, a kingdom in Thailand. Bayinnaung was the king of Burma who led the military occupation of Sukhothai in 1563. The Burmese invasion led to Mahathammarachathirat switching allegiance to Bayinnaung.
March 1564: The Bayinnaung armies marched down to Ayutthaya. There, they were kept at bay for weeks by the Siamese fort, aided by three Portuguese warships and artillery batteries at the harbor. The invaders finally captured the Portuguese ships and batteries on 7 February 1564, after which the fort promptly fell. Ayutthaya becomes a Burmese vassal state.
January 1564: Bayinnaung's army took Sawankhalok and Phichit without difficulty, finally able to direct their full attention on invading Ayutthaya.
