Indochina c. 1010 AD. ??i Vi?t lands in yellow, Champa polities in green and Khmer Empire in purple. Ngô Quy?n in 938 declared himself king, but died after only six years. His premature Demise following a short reign resulted in a power battle for that throne, causing the region's initial key civil war, the upheaval from the Twelve Warlords (Lo?n