Fight of Th??X??ng river involving Tây S?n and Qing Military in December, 1788 In 1771, the Tây S?n revolution broke out in Quy Nhon, which was underneath the control of the Nguy?n lord.[111] The leaders of the revolution ended up three brothers named Nguy?n Nh?c, Nguy?n L?? and Nguy?n Hu?? not relevant to the Nguy?n lord's spouse and children. I