The civil war among the Lê-Trịnh and Mạc dynasties resulted in 1592, when the military of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors in the Mạc royal loved ones fled on the northern mountains inside the province of Cao Bằng and continued to rule there until https://busterw752lsx6.newsbloger.com/profile