The civil war amongst the Lê-Trịnh and Mạc dynasties resulted in 1592, when the army of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors in the Mạc royal household fled for the northern mountains while in the province of Cao Bằng and ongoing to rule there until https://peterq529elr4.gynoblog.com/profile