Eleven days after proclaiming himself Bình Định Vương, Lê Lợi left Lam Sơn for Lạc Thủy on the road to Lan Xang and ambushed the pursuing army of Ma Qi from Tây Đô, the rising's first victory, before falling back to Chí Linh mountain.
Battle
Battle of Lạc Thủy
- 18 February 1418
- Southeast Asia