This is one of the best all around sites that I have found. It is titled “The MacTutor History of Mathematics Archive.”
http://www-history.mcs.st-and.ac.uk/~history/
This is an award-winning site that links to all sorts of mathematics information.
http://archives.math.utk.edu/
This is an enrichment site on Babylonian and Egyptian mathematics.
http://www-groups.dcs.st-andrews.ac.uk/~history/HistTopics/Babylonian_and_Egyptian.html
This is a very good historical site called Mathematicians of the African Diaspora.
http://www.math.buffalo.edu/mad/Ancient-Africa/mad_ancient_egypt.html
This site provides links to other Egyptian and Mesopotamian mathematics.
http://www-history.mcs.st-andrews.ac.uk/HistTopics/References/Babylonian_and_Egyptian.html