Southeast Asia · Post-Classical Era

Khmer Empire

Builders of the largest religious monument on Earth

802 CE – 1431 CE · 629 years

Centered on the temple-city of Angkor, this empire built what remains the largest religious monument on Earth.

Where it sits on the calendar

Government

Divine kingship

Writing system

Khmer script

Estimated peak population

1,000,000

How it ended

Climate shift or drought

Traits

How Khmer Empire ended

Tree-ring evidence points to severe drought-flood cycles straining the empire's hydraulic infrastructure before Ayutthaya's invasions.

See other civilizations that fell the same way →

Notable for

  • Angkor Wat, the largest religious monument in the world
  • Vast water-management reservoir (baray) network
  • Angkor as possibly the largest pre-industrial urban settlement

Who else was alive at the same time

7 other civilizations in this dataset overlap with Khmer Empire's 629-year span.

See every overlap involving Khmer Empire →