The wars with Champa plus the Mongols left ??i Vi?t fatigued and bankrupt. The Tr?n loved ones was subsequently overthrown by amongst its own court officers, H??Quý Ly. H??Quý Ly forced the last Tr?n emperor to abdicate and assumed the throne in 1400. He altered the region identify to ??i Ngu and moved the cash to Tây ?ô, Western Money, now Tha