The civil war between the Lê-Trịnh and Mạc dynasties ended in 1592, when the army of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors from the Mạc royal household fled towards the northern mountains during the province of Cao Bằng and ongoing to rule there until eventually https://vitnam08753.develop-blog.com/37559864/the-basic-principles-of-việt-nam