Conquest of Sukhothai by Ayutthaya

Name: Conquest of Sukhothai by Ayutthaya
Start: 1448
End: 1450

Type Event Region Thailand Time 1448–1450

Around 1450, the Siamese Ayutthaya dynasty completed the political integration of the former Sukhothai lands, ending Sukhothai's history as an indepe…

Timeline

1448Ayutthaya · ThailandDuring the reign of Ayutthaya king Borommaracha, control over the Sukhothai vassal was tightened, requiring local rulers to pay tribute to Ayutthaya and acknowledge its suzerainty, weakening their independent foreign diplomacy.
1450Sukhothai · ThailandSukhothai's last local ruler surrendered independent royal authority under Ayutthaya pressure, and the old capital was incorporated into Ayutthaya's administrative system; Sukhothai's status as an independent political entity formally ended.

Sources

The Cambridge History of Southeast Asia, Volume 1 — Nicholas Tarling (1999)
A History of Siam — W.A.R. Wood (1926)