The Yuan armies besieged Thăng Long; Trần Quốc Tuấn held the walls, raided their camps at night and then withdrew, sending the two kings by sea toward Thanh Hóa; on the way Omar desecrated Trần Thái Tông's tomb at Long Hưng.
Siege
Yuan attack on Thăng Long
- 2 February 1288
- Southeast Asia