Not known Details About Việt Nam
The civil war amongst the Lê-Trịnh and Mạc dynasties led to 1592, when the military of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors with the Mạc royal spouse and children fled to the northern mountains in the province of Cao Bằng and ongoing to rule there until finally 1677 when Trịnh Tạc conquered this