... in the South, the Trịnh attacked and took Phú Xuân , the capital of the Nguyễn in the South.However, both the Trịnh and the Nguyễn were finally overthrown by the Tây sơn one of the leaders of ... at the end of the eighth century when the title of Bố Cái Ðại Vương (Father and mother of the people) was given by his successor and his subjects to Phùng Hưng , who, in 791,overthrew the then ... at the end of the thirteenth century, under the Trần dynasty. "He received his doctorate under the reign of Emperor Trần Thái Tôn (1225-1257). In the fall of 1282, while holding the post of...