On Christmas Eve in 1968, the Apollo 8 astronauts captured an image that symbolizes hope and inspired environmentalism.

On March 25, 1969, John Lennon and Yoko Ono were a few days into their marriage when they invited the press to join them at their honeymoon suite at the Amsterdam Hilton Hotel.

Jazz singer Ethel Ennis’s voice wowed audiences and won praise from critics. But when she was faced with the opportunity to become a superstar, Ennis chose a different path.

The nurse who founded the American Red Cross had no formal training in medicine. She tended to countless wounded soldiers.

In the 1950s, a child trying to call Santa Claus accidentally called NORAD and changed Christmas Eve forever.