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Ancient History

15 Once-Great Nations That Ran Themselves Into The Ground

Darren March 11, 2026 5 min

11. The Khmer Empire

11. The Khmer Empire
Image Source: Pexels.

Ruling over Southeast Asia with majestic temples like Angkor Wat, the Khmer Empire declined due to environmental challenges, overextension, and civil wars. Thai invasions ultimately fractured the once-mighty kingdom. (britannica.com)

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Darren

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