Social Studies for Kids Great social studies stuff - history, geography, government, culture for kids, parents, and teachers http://www.socialstudiesforkids.com/
The History Channel - This Day in History http://www.historychannel.com/thisday/
Time for Kids http://www.timeforkids.com/TFK/
Lots of history links for kids, thanks to Leyna! http://www.bbc.co.uk/history/forkids/
Ancient Greek Gods