THE FACT ABOUT VF555 THAT NO ONE IS SUGGESTING

The civil war concerning 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 loved ones fled towards the northern mountains within the province of Cao Bằng and ongoing to rule there until eventually 1677 when Trịnh Tạc conquered