The kingdom of Chenla or Khmer
This kingdom occurred at the end of the 6th century. The kingdom centrally located on the northeastern of Khmer Lake. In the 9th century, King Jayavarman II had made the capital up at Angkor. And extended the territory to Mon who established the kingdom of Davaravadi through to the Chao Praya River. Still offended the Cham kingdom, a neighboring kingdom. This kingdom was falling in the year of 1200 A.C.