Borommatrailokkanat

Borommatrailokkanat was king of Ayutthaya from 1448 to 1488. His reign is associated with administrative reforms and the expansion of Ayutthaya’s influence.

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Thesaphiban system: A centralized system of provincial administration developed in Siam during the late nineteenth century. It later replaced older arrangements for governing provinces that Borommatrailokkanat helped organize.
Chatusadom: The four principal ministries of traditional Siamese government: the Interior, Palace, Treasury, and Agriculture. The ministerial structure is associated with the administrative order consolidated under his reign.
Trailokkanat: An alternative romanization of Borommatrailokkanat, the Ayutthayan king who ruled from 1448 to 1488. This spelling appears in historical sources and distinguishes his name from related royal titles.
Battle of Chiang Mai: A campaign associated with Borommatrailokkanat’s conflict with the northern kingdom of Lan Na. The campaign illustrates his efforts to extend Ayutthaya’s influence northward.
Sakdina system: A social and administrative hierarchy in Siam that assigned ranks numerical land values. His reforms are linked to the hierarchy that structured status and obligations in Ayutthaya.
Kalahom: The Siamese ministry responsible chiefly for military affairs and southern administration. Its responsibilities show how royal government divided military and territorial authority.
Intharacha II: An Ayutthayan king who ruled from 1409 to 1424 and belonged to the Suphannaphum dynasty. The royal house and succession preceding Borommatrailokkanat’s reign began with this predecessor’s dynasty.
Lan Na: A Tai kingdom centered on Chiang Mai that flourished in northern Thailand from the thirteenth century. Its rivalry with Ayutthaya framed major military and diplomatic pressures during his reign.
Ayutthaya Kingdom: A Siamese kingdom centered on Ayutthaya that flourished from the fourteenth to the eighteenth century. His reign strengthened this kingdom and its regional influence.
Mahattai: The Siamese Ministry of the Interior, responsible for civil administration and provincial affairs. Its role illuminates the system for bringing provincial administration under central control.