The wars with Champa as well as Mongols still left ??i Vi?t fatigued and bankrupt. The Tr?n family members was subsequently overthrown by among its individual courtroom officers, H??Quý Ly. H??Quý Ly forced the last Tr?n emperor to abdicate and assumed the throne in 1400. He improved the country title to ??i Ngu and moved the funds to Tây ?ô, W