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 soon after only 6 several years. His premature Dying after a short reign resulted in a power battle for the throne, leading to the state's first major civil war, the upheaval in the Twelve Warlords