The civil war concerning the Lê-Tr?nh and M?c dynasties resulted in 1592, when the army of Tr?nh Tùng conquered Hanoi and executed king M?c M?u H?p. Survivors of the M?c royal family fled to the northern mountains in the province of Cao B?ng and ongoing to rule there until eventually 1677 when Tr?nh T?c conquered this final M?c territory. The Lê