Cannons of Vietnam throughout the Afterwards Lê dynasty In 1418, Lê L?I had been the son of a rich aristocrat in Thanh Hóa, led the Lam S?n rebellion from the Ming from his base of Lam S?n (Thanh Hóa province). Beating several early setbacks and with strategic advice from Nguy?n Trãi, Lê L?i's motion eventually gathered momentum. In September