Trần Quốc Tuấn was a prominent military leader and national hero in Vietnamese history, known for his role during the Mongol invasions in the 13th century. He was born in 1250 and became a key figure in defending Vietnam against foreign invasions, particularly during the reign of Trần Thánh Tông. His strategic brilliance and leadership were crucial in several significant battles, including the famous victories at Bạch Đằng River. In addition to his military achievements, Trần Quốc Tuấn was also a skilled politician and writer. He authored the famous military treatise, Hịch tướng sĩ, which inspired his troops and emphasized the importance of patriotism and unity. His legacy continues to be celebrated in Vietnam as a symbol of resilience and national pride.