8KBET FOR DUMMIES

The civil war in between the Lê-Trịnh and Mạc dynasties resulted in 1592, when the military of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors in the Mạc royal household fled for the northern mountains inside the province of Cao Bằng and continued to rule there right up until 1677 when Trịnh Tạc conquered t