The Battle of Bach Dang was a key event during the Mongol invasions of Vietnam, specifically the third attempt by the Yuan Dynasty to conquer the region. In the late 13th century, following previous invasions, the Mongols sought to assert control over Vietnam, a territory they viewed as strategically vital. The Trần dynasty, under the leadership of general Trần Hưng Đạo, prepared for this challenging conflict. They devised a brilliant plan that relied heavily on Vietnam's geographical advantages and their intimate knowledge of local waterways. The battle took place at the Bach Dang River in present-day northern Vietnam, where the Trần forces managed to outmaneuver the larger Yuan army.As the Yuan forces advanced, the Vietnamese strategically placed wooden stakes in the river, hidden from sight. When the Yuan Navy, confident in their superior numbers and maritime experience, approached, they became ensnared in the trap. The skill of the Vietnamese archers and infantry, combined with the element of surprise, led to a devastating defeat for the Yuan. This victory not only preserved Vietnamese independence for the time but also reinforced the resolve and national identity of the Vietnamese people in their ongoing struggle against foreign domination. Trần Hưng Đạo emerged as a national hero, symbolizing resistance and ingenuity in the face of overwhelming odds.