Đàng Trong
In 1744, Lord Nguyễn Phúc Khoát of Đàng Trong (Huế) both men and women at his court wear trousers and a gown with buttons down the front. That the Nguyen Lords introduced ancient áo dài (áo ngũ thân). The members of the Đàng Trong court (southern court) were thus distinguished from the courtiers of the Trịnh Lords in Đàng Ngoài (Hanoi), who wore "áo giao lĩnh" with long skirts.