Sukhothai's relations with neighboring city-states

Name: Sukhothai's relations with neighboring city-states
Start: 1281

Type Event Region Asia Time 1281

Around 1281, under Ram Khamhaeng, Sukhothai consolidated suzerainty over upper Chiang Mai river Thai polities through tribute, marriage, and military…

Timeline

1281Sukhothai · SukhothaiThrough military campaigns and investiture, Ram Khamhaeng made northern Thai city-states like Phitsanulok and Nan acknowledge Sukhothai's suzerainty, forming a regional tributary-protection system centered on Sukhothai.
1281Lower Chiang Mai river · CentralSukhothai maintained trade and border negotiations with Mon settlements and Khmer-influenced zones on the lower Chiang Mai river, gradually bringing the downstream region into Sukhothai's political-cultural sphere through envoys and localized conflict mediation.

Sources

The Cambridge History of Southeast Asia, Volume 1 — Nicholas Tarling (ed.) (1992)
A History of Thailand — Chris Baker, Pasuk Phongpaichit (2014)