On July 7, 2007, the new seven wonders of the world were chosen by more than 100 million voters. But whatever happened to the original seven? Take a look at our HowStuffWorks article, 'How the Seven Wonders of the Ancient World Work,' to learn more.
Genghis Khan has more death attributed to him than any other person in history. Learn about Genghis Kahn and the siege Genghis Khan conducted on Nishapur.
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