2 Gia Long(Emperor of the Nguyễn Dynasty of Vietnam)
Gia Long was a Vietnamese emperor who is credited with unifying Vietnam in 1802 before founding the Nguyen dynasty. He reigned as the first emperor of the Nguyen dynasty from 1802 until his death in 1820. He also ruled as the emperor of Vietnam from 1804 to 1820. Gia Long is also credited with popularizing Confucianism in Vietnam.