VF555 - AN OVERVIEW

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 on the northern mountains while in the province of Cao Bằng and ongoing to rule there till 1677 when Trịnh Tạc conquered this past Mạc