Long shadows highlight Buzz Aldrin’s bootprint in the fine, gray lunar soil on the surface of the Moon. The bootprint looks somewhat rectangular, but is rounded at the toe and heel, with several parallel tread lines. Even in this small portion of the Moon’s surface, we can see that it’s pitted. This photo was taken during Neil Armstrong and Buzz Aldrin’s historic moonwalk on July 20, 1969. Credit: NASAALT

One Giant Leap for Mankind

Millions of people around the globe will come together for the Paris 2024 Olympic Games later this month to witness a grand event—the culmination of years of training and preparation.

Fifty-five years ago this July, the world was watching as a different history-changing event was unfolding: the Apollo 11 mission was landing humans on the surface of another world for the first time. An estimated 650 million people watched on TV as Neil Armstrong reached the bottom of the ladder of the lunar module on July 20, 1969, and spoke the words, “That’s one small step for [a] man, one giant leap for mankind.”

While the quest to land astronauts on the Moon was born from the space race with the Soviet Union during the Cold War, this moment was an achievement for the whole of humanity. To mark the world-embracing nature of the Moon landing, several tokens of world peace were left on the Moon during the astronauts’ moonwalk.

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