The wars with Champa as well as the Mongols still left ??i Vi?t fatigued and bankrupt. The Tr?n family members was consequently overthrown by considered one of its individual court officials, H??Quý Ly. H??Quý Ly forced the last Tr?n emperor to abdicate and assumed the throne in 1400. He transformed the place title to ??i Ngu and moved the cash t