Trần Quốc Tuấn attacked the Yuan on the north bank of the Red River with over 20,000 men; the fleeing army was cut up at the Như Nguyệt, where Trần Quốc Toản fell, and again at the Sách river, where its pontoon bridge broke under it.
Battle
Trần pursuit of Toghon's army
- 10 June 1285
- Southeast Asia