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Sukhothai Kingdom

Type Object Region Southeast Asia Time 1238–1438

The Sukhothai Kingdom was an independent polity established by Tai peoples in the upper Chao Phraya River basin in the 13th century, formally founded…

Timeline

  1. 1238–1240Sukhothai · Sukhothai ProvincePho Khun Si Thamathirat defeated local Khmer forces and established an independent kingdom at Sukhothai, ending the long subordination of the upper Chao Phraya basin to Angkorian suzerainty and inaugurating a tradition of Tai political autonomy.
  2. 1240–1279Upper Chao Phraya River · ThailandIn the decades after its founding, the kingdom gradually integrated surrounding city-states, establishing a city-state alliance system centered on Sukhothai, with the Buddhist monastic order participating in governance, laying the institutional groundwork for subsequent expansion.
  3. 1279–1298Territory of the Sukhothai Kingdom · ThailandRam Khamhaeng the Great extended the kingdom's power to the northern Malay Peninsula and western Laos, created the Tai writing system, and promulgated benevolent governance decrees; the Sukhothai Kingdom reached its height, becoming a model of Tai civilization in Southeast Asia.

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