He killed the Lê emperor and proclaimed himself emperor, beginning the Mạc dynasty. After defeating a lot of revolutions for 2 decades, Mạc Đăng Dung adopted the Trần dynasty's observe and ceded the throne to his son, Mạc Đăng Doanh, and he became Thái Thượng Hoàng. Tên gọi "Việt Nam" https://angelinab196aiq4.dekaronwiki.com/user