The Battle of Bạch Đằng, which took place at the Bach Dang River, near Ha Long Bay in present-day northern Vietnam, was part of the Third Mongol Invasion (1287-88).
The Battle of Bạch Đằng was part of the Third Mongol Invasion (1287-88). The Battle of Bạch Đằng took place at the Bach Dang River. This was near Ha Long Bay in present-day northern Vietnam.