The wars with Champa and also the Mongols still left ??i Vi?t fatigued and bankrupt. The Tr?n household was consequently overthrown by amongst its personal court officers, H??Quý Ly. H??Quý Ly compelled the final Tr?n emperor to abdicate and assumed the throne in 1400. He improved the place title to ??i Ngu and moved the money to Tây ?ô, Wester