Tran Hung Dao was one of Vietnam’s greatest military leaders and national heroes. During the 13th century he lived under the Trần dynasty and became famous for leading Vietnamese forces against the Mongol invasions. When the Mongols attempted to invade Đại Việt (Vietnam), Trần Hưng Đạo used clever military tactics like guerrilla warfare, ambushes, and scorched-earth policies to weaken the much larger army. His most famous victory came at the Battle of the Bạch Đằng River in 1288, where he trapped the Mongol fleet using hidden iron-tipped stakes placed beneath the water. The strategy destroyed much of the Mongol navy and forced the invaders to retreat. He also wrote military texts and speeches to inspire unity and resistance among Vietnamese soldiers. One of his best-known works, the “Hịch tướng sĩ” (“Proclamation to the Officers”), became an important piece of Vietnamese literature and patriotism. After his death in 1300, Trần Hưng Đạo was deeply honored by the Vietnamese people and eventually worshipped almost like a saint. Temples and statues dedicated to him exist throughout Vietnam, and he remains a symbol of courage, independence, and national pride.