Cuban
Missile Crisis
http://www.gwu.edu/~nsarchiv/nsa/publications/cmc/cmc.html
The
Virtual Wall – Vietnam Memorial
http://www.thevirtualwall.org/
Civil
Rights Museum
http://www.civilrightsmuseum.org/gallery/movement.asp
Documenting
America – Pictures from the great Depression
http://lcweb2.loc.gov/ammem/fsowhome.html
Wartime
Posters
http://school.discovery.com/lessonplans/activities/wartimeposters/gallery.html