The wars with Champa along with the Mongols still left ??i Vi?t fatigued and bankrupt. The Tr?n relatives was subsequently overthrown by certainly one of its personal court officials, H??Quý Ly. H??Quý Ly forced the final Tr?n emperor to abdicate and assumed the throne in 1400. He improved the nation name to ??i Ngu and moved the capital to Tây