History of the World
Offers an essay giving an overview of world history. Created by history teacher Jeff Coons.
http://history-of-the-world.tripod.com/
 

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Seven Wonders of the World
Articles about the seven wonders including more modern sites.
http://www.sevenwondersworld.com/
 

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Polymer Bank Notes of the World
A complete review of all polymer (plastic) bank notes of the world, complete with scans, descriptions, and numbering system.
http://www.polymernotes.org/
 

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