Video: 'Relive Apollo 11 in Real Time!'

(Sunday, July 20, 1969, 10:56:15 Eastern Daylight Time/Monday, July 21, 1969, 02:56:15 Coordinated Universal Time) — A person from Earth set foot on the Moon for the first time in history tonight as American astronaut Neil A. Armstrong, commander of the Apollo 11 manned mission, climbed down the lunar module’s ladder and said, “That’s one small step for a man.. one giant leap for mankind.”

Video: 'Restored Apollo 11 EVA' (Armstrong's first step on Moon at 3:21)

Astronaut Edwin “Buzz” Aldrin joined Armstrong on the surface about 20 minutes later, describing the view as “magnificent desolation.”

Video: 'Apollo 11 Part 27 CBS News Coverage of The Moon Walk' (Armstrong's first step on Moon at 4:38)

Armstrong and Aldrin collected samples of the Moon’s surface, took several photographs, planted an American flag and spoke live with U.S. President Richard Nixon via radio.

Video: 'NBC News Coverage of Apollo 11 Part 7' (Armstrong's first step on Moon at 5:00)

After 2 hours, 31 minutes, 40 seconds outside the lunar module, they closed the hatch at 05:01:00 UTC to sleep five-hours before beginning their journey back to Earth.

Video: ABC News Coverage of Apollo 11 Part 16 ( The Moon Walk)' (Armstrong's first step on Moon at 3:57)

At 17:54:00 UTC, Armstrong and Aldrin lifted off in Eagle’s ascent stage to rejoin Michael Collins aboard Columbia in lunar orbit. The three astronauts were scheduled to arrive home three days later on July 24, 1969.