NOT KNOWN DETAILS ABOUT VIệT NAM

The civil war amongst the Lê-Trịnh and Mạc dynasties resulted in 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 inside the province of Cao Bằng and ongoing to rule there right until 1677 when Trịnh Tạc conquere