Võ thuật Bình Định
…three brothers known as the Tây Sơn brothers because they were from a county in the state of Bình Định called Tây Sơn. Their names were Nguyễn Nhạc, Nguyễn Lữ, and Nguyễn Huệ. The three Tây Sơn brothers overthrew the Nguyễn lords and Trịnh lords and united Vietnam into the shape of the letter S as seen today…