THE 2-MINUTE RULE FOR 6623

The civil war among the Lê-Trịnh and Mạc dynasties led to 1592, when the military of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors of your Mạc royal spouse and children fled towards the northern mountains from the province of Cao Bằng and continued to rule there till 1677 when Trịnh Tạc conquered this pas