Lê Văn Duyệt (1763-1832) was a prominent Vietnamese military leader and politician during the early 19th century. He served as the Governor of Gia Định, a key region in southern Vietnam, and played a significant role in the establishment of the Nguyễn Dynasty. His leadership helped consolidate the dynasty's power in the south. Known for his military prowess, Lê Văn Duyệt was instrumental in defending the region against external threats and internal rebellions. He was also a key figure in the expansion of Vietnam into southern territories, contributing to the country's territorial integrity and stability during a tumultuous period.