The 21st century BC reference article from the English Wikipedia on 24-Jul-2004
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21st century BC

Learn about the lives of children in Africa
(22nd century BC - 21st century BC - 20th century BC - other centuries)

(4th millennium BC - 3rd millennium BC - 2nd millennium BC)

Table of contents
1 Events
2 Significant persons
3 Inventions, discoveries, introductions


Significant persons

Inventions, discoveries, introductions