THE SMART TRICK OF VIệT NAM THAT NOBODY IS DISCUSSING

The civil war involving 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 relatives fled towards the northern mountains inside the province of Cao Bằng and continued to rule there until 1677 when Trịnh Tạc conquered this very