The wars with Champa along with the Mongols still left ??i Vi?t fatigued and bankrupt. The Tr?n spouse and children was in turn overthrown by one of its possess courtroom officers, H??Quý Ly. H??Quý Ly forced the last Tr?n emperor to abdicate and assumed the throne in 1400. He transformed the country identify to ??i Ngu and moved the money to Tâ