This image was taken in 1939 during France's final public execution by guillotine

21-years old Yves Saint Laurent at Christian Dior's funeral (1957)

Benjamin Franklin left $2,000 to Boston and Philadelphia to help young people in those cities. He stipulated in his will that cities could not draw the balance for 200 years. In 1990, it was worth $6.

Scientists launched rockets into the Arctic sky and released glowing clouds to map invisible winds in the aurora