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Essay:Greatest Mysteries of World History (view source)
Revision as of 22:10, February 20, 2009
, 22:10, February 20, 2009→Here are some mysteries or unresolved issues about World History:: link to de-orphan
#Did people have a higher intelligence (IQ) in ancient times than today?
#Did people have a higher intelligence (IQ) in ancient times than today?
#Why was there the fall and decline of the Roman Empire?
#Why was there the fall and decline of the Roman Empire?
#What was the purpose for the Nazca Lines being constructed?
#What was the purpose for the [[Nazca Lines]] being constructed?
== References ==
== References ==