Certainly one of the great moments of the entire 20th century, and one of WCCO's 100 Moments in 100 Days. On July 20, 1969, man stepped on the moon for the first time during the Apollo 11 mission. Here's what it sounded like on WCCO.
(Image: Astronaut Edwin "Buzz" Aldrin poses next to the U.S. flag on the moon during the Apollo 11 mission. Photo by NASA/Liaison.)