5 ESSENTIAL ELEMENTS FOR GK88

The civil war involving the Lê-Trịnh and Mạc dynasties ended 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 into the northern mountains during the province of Cao Bằng and continued to rule there till 1677 when Trịnh Tạc conquered th