Battle at Gettysburg

http://www.youtube.com/watch?v=L_CKjl42zm4

Memorial Day

http://www.history.com/topics/memorial-day-history/videos#history-of-memorial-day

Gettingsburg address

http://www.history.com/topics/gettysburg-address/videos

D-Day

http://www.history.com/shows/wwii-in-hd/videos/attack-pearl-harbor#d-days

Pearl Habor

http://www.history.com/shows/wwii-in-hd/videos/attack-pearl-harbor#attack-pearl-harbor

America Divided

http://www.history.com/videos/america-divided#america-divided

Cold War

http://www.history.com/topics/space-race/videos#cold-war

Space Race

http://www.history.com/topics/space-race/videos#the-space-race