NOT KNOWN DETAILS ABOUT VIệT NAM

The civil war in between 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 family members fled to the northern mountains in the province of Cao Bằng and continued to rule there right until 1677 when Trịnh Tạc conquered this ver