In midspring of 1777, the Tây Sơn defeated the Nguyễn and captured Saigon [REF].
In 1780, Nguyễn Ánh proclaimed himself Nguyễn vương (Nguyễn king or Nguyễn ruler) and Nhơn became "Ngoại hữu, Phụ chính, Thượng tướng công", the second most-powerful position in the Nguyễn army [REF].