Fight of Th??X??ng river among 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 Charge of the Nguy?n lord.[111] The leaders of the revolution were being 3 brothers named Nguy?n Nh?c, Nguy?n L?? and Nguy?n Hu?? not connected with the Nguy?n lord's relatives. In 1773, Tây S