Indochina c. 1010 Advert. Đại Việt lands in yellow, Champa polities in inexperienced and Khmer Empire in purple. Ngô Quyền in 938 declared himself king, but died after only 6 years. His untimely death right after a short reign resulted in a power wrestle for that throne, leading to the state's initially key civil war, the upheaval in the T