The wars with Champa plus the Mongols still left ??i Vi?t exhausted and bankrupt. The Tr?n family was consequently overthrown by one of its very own court docket officers, H??Quý Ly. H??Quý Ly pressured the final Tr?n emperor to abdicate and assumed the throne in 1400. He improved the country identify to ??i Ngu and moved the cash to Tây ?ô, We