Astronaut Edwin “Buzz” Aldrin Jr., lunar module pilot, is photographed walking on the moon on July 20, 1969. (NEIL ARMSTRONG/AP)

More than a billion people watched on television or listened on their radios as astronauts Neil Armstrong and Edwin “Buzz” Aldrin became the first men to walk on the lunar surface.

“That’s one small step for man, one giant leap for mankind,” Armstrong said, a line that would be remembered forever after.

The landing represented an enormous victory for the United States over the Soviet Union in the Space Race of the Cold War.

Watch the extraordinary footage from that day below:

And read two stories that ran in the Post during that history-making week in 1969.

Published July 22, 1969:

Published July 20,1969: