Key Facts
- Duration
- c. 4th century BC – 1057 AD
- Type
- Mon city-state kingdom
- Religion
- Theravada Buddhism
- Conquered by
- Pagan Kingdom, 1057 AD
- Trade partners
- South India and Sri Lanka
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
The Thaton Kingdom emerged as a Mon polity in Lower Burma from at least the 4th century BC, centered on the city of Thaton in the Irrawaddy delta region. As one of several Mon kingdoms spanning modern Burma and Thailand, it developed as a coastal city-state with access to maritime trade routes, allowing it to cultivate commercial and religious ties with South Asia from an early period.
Phase II: Zenith
At its height, Thaton was the foremost center of Theravada Buddhism in Southeast Asia, receiving religious and cultural influences directly from Sri Lanka and South India. The kingdom's maritime trade connections brought prosperity and made it a conduit for the transmission of Buddhist texts, art, and scholarship into the wider mainland Southeast Asian world, distinguishing it among contemporaneous Mon polities.
Phase III: Decline
Thaton faced growing pressure from the expanding Khmer Empire to the east, which encroached on Mon territories over time. The decisive blow came in 1057 AD when the Pagan Kingdom, expanding southward under King Anawrahta, conquered Thaton and absorbed its population, monks, and Buddhist scriptures. This conquest effectively ended the kingdom's independent existence and transferred its cultural heritage northward into Pagan civilization.