http://www.history.com/this-day-in-history/ali-defeats-spinks-to-win-world-heavyweight-championship

http://www.history.com/this-day-in-history/mckinley-dies-of-infection-from-gunshot-wounds

http://www.history.com/this-day-in-history/key-pens-star-spangled-banner

http://www.history.com/this-day-in-history/lascaux-cave-paintings-discovered

http://www.history.com/this-day-in-history/attack-on-america

http://www.history.com/this-day-in-history/first-drunk-driving-arrest

http://www.history.com/this-day-in-history/presidents-child-born-in-white-house

http://www.history.com/this-day-in-history/ford-pardons-nixon

http://www.history.com/this-day-in-history/united-states-nicknamed-uncle-sam

http://www.history.com/this-day-in-history/first-tank-produced