Fight of Th??X??ng river concerning Tây S?n and Qing army in December, 1788 In 1771, the Tây S?n revolution broke out in Quy Nhon, which was beneath the control of the Nguy?n lord.[111] The leaders of this revolution were being three brothers named Nguy?n Nh?c, Nguy?n L?? and Nguy?n Hu?? not connected with the Nguy?n lord's family. In 1773, Tây