sentences:  This victory was a turning point of the war, from which the Tây Sơn became very weak and never posed any other significant threat to Nguyễn Ánh.The siege of Quy Nhơn continued for over a year to June 1801, when the citadel's food provisions were exhausted.After refusing to consider the thought of a surrender, Võ Tánh requested the Tây Sơn field commander Trần Quang Diệu to spare his men in exchange for Tanh's own life.