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Other info:

The Amorites:
The Amorites

Persian Wars Links:
A 23 part thing on the Persian Wars


History of Musical Notation Info:
A Breif History of Music: The Middle Ages
Neumes
Classicalworks.com timeline: 1000 to 1300
Classicalworks.com timeline:4000 BC to 38 BC
Classicalworks.com timeline 350 to 1000

Chemistry Websites:

All about elements
Even more detailed info about elements