History

This Day in History
http://www.history.com/this-day-in-history
Lists important historical event.  Can search by a specific date.
 
Remember.org -- Holocaust Information 
http://remember.org/index.html
Spanning text, graphics, interactive maps, sound files, poetry, painting; collecting many perspectives on these events; and emphasizing personal remembrance. Includes an abundance of links to other sources.
 
Presidential Portraits
http://lcweb2.loc.gov/ammem/odmdhtml/preshome.html
Selection of portraits featuring U.S. presidents, first ladies, historical buildings, Congressional photos, and documents from 1789 to the present. Keyword searchable and browsable.
 
Persius Digital Library
http://www.perseus.tufts.edu
An interactive multimedia digital library of resources for studying the ancient world.  Includes ancient texts and translations, maps, illustrated art catalogs, etc. Covers primarily Greek & Roman materials, Latin, and links to other classics related sites.
 
Chronology of U.S. Historical Documents
http://www.law.ou.edu/hist/#ind
Everything from the Bill of Rights to Martin Luther King's "I have a dream" speech.