Khmer Empire
RegionCambodia/Southeast Asia
Period802-1431
Peak Size1 million km2
Founded ByJayavarman II
About Khmer Empire
Built Angkor Wat, the largest religious monument in the world, covering 400 acres. Angkor may have been the largest city in the pre-industrial world with 1 million people. The baray reservoirs held 70 million cubic meters of water. Declined due to environmental failure and Thai invasions. Rediscovered by French explorers in the 1860s.
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