Thieu Tri was the third emperor of the Nguyen Dynasty in Vietnam, ruling from 1841 to 1847. He was the son of Emperor Minh Mang and is known for his efforts to maintain the dynasty's power during a time of internal strife and external threats. His reign was marked by attempts to modernize the military and administration, although he faced challenges from both domestic uprisings and foreign pressures. Despite his efforts, Thieu Tri's reign was characterized by limited success in governance. He struggled with health issues and was often overshadowed by the influence of his advisors. After his death in 1847, he was succeeded by his son, Emperor Tu Duc, who continued to face the challenges of a changing Vietnam.