CIA World Factbook 2008 - This site contains a wide range of demographic information about the countries of the world. It also contains all the flags of the world.
http://www.cia.gov/cia/publications/factbook/index.html
Biographical Dictionary - The dictionary contains the biographies of more than 33,000 notable men and women who have shaped the world from ancient times to the present day.
http://www.s9.com/biography
History and Politics Out Loud - Here you will find the audio of various famous speeches.
http://www.hpol.org
Bureau of Labor and Statistics - This site contains facts and statistics about labor/work in the U.S.
http://www.bls.gov
Timelines - Contains a variety of timelines on various subjects.
http://www3.canisius.edu/~emeryg/time.html