A president is shot, a Supreme Court justice is born, aliens land -- or not -- and an acting legend passes, all on this day in history.
1679: Europeans first visit Minnesota and see the headwaters of the Mississippi River in an expedition led by Daniel Greysolon de Du Luth.
CNN Exclusive/Richard Dessin
Boy Scouts of America
Library of Congress
Karen Barefoot/SXC
Lucas Jackson/Reuters
Pool
Kevin Taverner/CNN
Auction Team Breker
Chuck Kennedy/The White House
istock
Fred Prouser/Reuters
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!