The wars with Champa plus the Mongols still left Đại Việt fatigued and bankrupt. The Trần family was consequently overthrown by amongst its own court officials, H�?Quý Ly. H�?Quý Ly forced the last Trần emperor to abdicate and assumed the throne in 1400. He adjusted the region name to Đại Ngu and moved the capital to Tây Đô, We