Cannons of Vietnam throughout the Later Lê dynasty In 1418, Lê L?I had been the son of a wealthy aristocrat in Thanh Hóa, led the Lam S?n rebellion in opposition to the Ming from his foundation of Lam S?n (Thanh Hóa province). Overcoming lots of early setbacks and with strategic advice from Nguy?n Trãi, Lê L?i's motion at last gathered moment