On July 20, 1969, Neil Armstrong and Buzz Aldrin became the first humans to land on the Moon. Watch this clip from a #NASA film chronicling the historic moment the #astronauts landed. Watch the full film on the #Apollo11 mission this Saturday at 1:30 PM ET as part of our #space history marathon on C-SPAN 2 American History TV. | American History TV

Exactly 50 years ago, and six hours and 39 minutes after landing on the Moon, Neil Armstrong took his historic first step on the lunar surface, saying "It's one small step for man, one giant leap for mankind". | BBC World Service

55K views · 1.5K reactions | 50 years ago today: Astronauts Neil Armstrong and Buzz Aldrin became the first humans to set foot on the moon during Apollo 11, the first lunar landing mission. Neil Armstrong's historic first step on the moon was broadcast live on TV. We explore the challenges of such a historic broadcast in a new blog: https://s.si.edu/2JusIWz Do you remember watching the mission? Video: NASA | National Air and Space Museum, Smithsonian Institution | Facebook