Lê Thái Tông led three campaigns against border chiefs backed by Lan Xang: against the Cầm family of Phục Lễ in 1439, against Hà Tông Lai at Thu Vật, who was beheaded in 1440, and against Nghiễm of Thuận Mỗi, who submitted in 1441.
War
Lê Thái Tông's campaigns in the west
- 1439 – 1441
- Southeast Asia
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