Trần Duệ Tông
| Trần Duệ Tông 陳睿宗 | |||||||||||||||||||||
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| Emperor of Đại Việt | |||||||||||||||||||||
| Emperor of Trần dynasty | |||||||||||||||||||||
| Reign | 1373–1377 | ||||||||||||||||||||
| Predecessor | Trần Nghệ Tông | ||||||||||||||||||||
| Successor | Trần Phế Đế | ||||||||||||||||||||
| Born | 30 June 1337 Thăng Long, Đại Việt | ||||||||||||||||||||
| Died | 4 March 1377 (aged 39) Vijaya, Champa | ||||||||||||||||||||
| Burial | Hi Tomb | ||||||||||||||||||||
| Spouse | Empress Consort Gia Từ | ||||||||||||||||||||
| Issue | Trần Hiện | ||||||||||||||||||||
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| House | Trần dynasty | ||||||||||||||||||||
| Father | Trần Minh Tông | ||||||||||||||||||||
| Mother | Imperial Consort Đôn Từ | ||||||||||||||||||||
| Religion | Buddhism | ||||||||||||||||||||
Trần Duệ Tông (chữ Hán: 陳睿宗, 1337–1377), real name Trần Kính (陳曔), was the ninth emperor of the Trần dynasty who reigned Vietnam from 1373 to 1377. Duệ Tông succeeded the throne from his brother Trần Nghệ Tông who was credited with the re-establishment of Trần clan's ruling in Vietnam from Hôn Đức Công. During his short-lived reign, Duệ Tông had to witness the rising of Hồ Quý Ly in the imperial court and several consecutive attacks in Vietnam from Chế Bồng Nga, king of Champa. In 1377 Duệ Tông decided to personally command a major military campaign against Champa, this campaign was ended by the disastrous defeat of Trần's army in Battle of Vijaya where Duệ Tông himself was killed in action with many other high-ranking mandarins and generals of Vietnam. Duệ Tông's death was one of the main events that led to the collapse of Trần Dynasty in 1400.