On July 20, 1969, Neil Armstrong became the first human being to set foot on the moon. President Nixon authoritatively acclaimed the event as the greatest since the Creation. Armstrong himself, as he took the last step from the ladder of his lunar module onto the moon’s surface, said, “That’s one small step for (a) man, one giant leap for mankind.”
NOTE: As Andrew Chaikin details in A Man on the Moon, after the mission, Neil said that he had intended to say “one small step for a man” and believed that he had done so. However, he also agreed that the “a” didn't seem to be audible in the recordings. The important point is that the world had no problem understanding his meaning.
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“Footprint on the Moon.” →