After Yuan frontier officials seized Viet merchants at Tu Lãng and carried off 5,000 people from Thái Nguyên in 1311–1312, Trần Anh Tông sent troops across the border against the Yuan.
Attack
Đại Việt attack on the Yuan border
- 1313
- Southeast Asia
Attack
After Yuan frontier officials seized Viet merchants at Tu Lãng and carried off 5,000 people from Thái Nguyên in 1311–1312, Trần Anh Tông sent troops across the border against the Yuan.