
Nguyen Hue, defeated the Qing Chinese invasion.
Nguyen Hue defeated a Siamese naval force at Rach Gam-Xoai Mut in the Mekong Delta. This victory eliminated the Siamese threat to the Nguyen lords in the south and consolidated his power.
Nguyen Hue proclaimed himself Emperor Quang Trung, establishing the Tay Son dynasty's rule over all of Dai Viet. He implemented land reforms, promoted education, and strengthened the military.
Nguyen Hue (Quang Trung) led a surprise attack on Qing Chinese forces occupying Thang Long (Hanoi) during the Tet holiday. His army defeated the Qing forces, forcing them to retreat and ending the Chinese invasion.
Emperor Quang Trung implemented land reforms that redistributed land to peasants and reduced taxes. These policies aimed to alleviate rural poverty and rebuild the economy after years of war.