Nguyễn Thuyên or Hàn Thuyên (

Bắc Ninh Bắc Ninh () is a city in the northern part of Vietnam and is the capital of Bắc Ninh province. The city is the cultural, administrative and commercial center of the province. The city area is 82.60 square km, with a population of 501,199 in N ...

) was a 13th-century

Vietnamese Vietnamese may refer to: * Something of, from, or related to Vietnam, a country in Southeast Asia ** A citizen of Vietnam. See Demographics of Vietnam. * Vietnamese people, or Kinh people, a Southeast Asian ethnic group native to Vietnam ** Overse ...

official and writer. According to ''

Đại Việt sử ký toàn thư The ''Đại Việt sử ký toàn thư'' ( vi-hantu, 大越史記全書; ; ''Complete Annals of Đại Việt'') is the official national chronicle of the Vietnamese state, that was originally compiled by the royal historian Ngô Sĩ Liên under ...

'', in 1282, he composed a piece of writing, throwing it into the Red River to chase away a crocodile, similar to what the

Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdom ...

official and writer

Han Yu Han Yu (; 76825 December 824), courtesy name Tuizhi (), and commonly known by his posthumous name Han Wengong (韓文公), was a Chinese essayist, poet, philosopher, and politician during the Tang dynasty who significantly influenced the devel ...

once did. As a result, Emperor

Trần Nhân Tông Trần Nhân Tông (7 December 1258–16 December 1308), personal name Trần Khâm, temple name Nhân Tông, was the third emperor of the Trần dynasty, reigning over Đại Việt from 1278 to 1293. After ceding the throne to his son Tr� ...

gave him the surname Hàn. He is known as the first one to compose

poems in

chữ Nôm Chữ Nôm (, ; ) is a logographic writing system formerly used to write the Vietnamese language. It uses Chinese characters ('' Chữ Hán'') to represent Sino-Vietnamese vocabulary and some native Vietnamese words, with other words represent ...

, although his works did not survive. Following the Chinese model, he divided the six tones of Vietnamese into "flat" (平) and "sharp" (仄), and used this distinction as the metrical foundation of his poems. The poets after him followed this practice.

References

*''

Zhongguo da baike quanshu The ''Encyclopedia of China'' () is the first large-entry modern encyclopedia in the Chinese language. The compilation began in 1978. Published by the Encyclopedia of China Publishing House, the encyclopedia was issued one volume at a time, begin ...

''. First Edition. Beijing; Shanghai: Zhongguo da baike quanshu chubanshe. 1980–1993. {{DEFAULTSORT:Nguyen, Thuyen People from Bắc Ninh province Vietnamese male poets Trần dynasty officials Vietnamese Confucianists 13th-century Vietnamese poets Trần dynasty poets