Fight of Th??X??ng river amongst 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 this revolution ended up three brothers named Nguy?n Nh?c, Nguy?n L?? and Nguy?n Hu?? not connected with the Nguy?n lord's relatives. In 1773,