Indochina c. 1010 Advertisement. ??i Vi?t lands in yellow, Champa polities in inexperienced and Khmer Empire in purple. Ngô Quy?n in 938 declared himself king, but died soon after only 6 years. His premature Loss of life after a brief reign resulted in a power struggle for the throne, causing the country's to start with main civil war, the upheav