Timeline: http://en.wikipedia.org/wiki/Timeline_of_mathematics

General Sources:

http://www.helpalgebra.com/info/algebrahistoryhighlights.htm

Chinese

http://aleph0.clarku.edu/~djoyce/mathhist/china.html

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Chinese.html

Persians

http://www.aug.edu/dvskel/Moazzam2005.htm

Germans

http://www.algebra.com/algebra/about/history/Category:German-mathematicians.wikipedia

Babylonians

http://www.members.aol.com/bbyars1/first.html

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Babylonians.html

Egyptians

http://www.math.buffalo.edu/mad/Ancient-Africa/mad_ancient_egypt.html

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Egyptians.html

Greeks

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Greeks.html

http://www.mlahanas.de/Greeks/GreekMathematics.html

Asian Indians

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Indians.html

http://members.tripod.com/~INDIA_RESOURCE/mathematics.htm

Arabs

http://turnbull.mcs.st-and.ac.uk/~history/Indexes/Arabs.html