#2
Apollo 11 (NASA, 1969)
First Moon landing, July 20, 1969. 600 million watched live. Confirmed Moon's giant-impact origin.
Apollo 11’s July 20, 1969, Moon landing with Neil Armstrong and Buzz Aldrin remains humanity’s greatest technological leap, broadcast to 600 million viewers—one-fifth of Earth’s population. The mission returned 21.5 kg of lunar rock, confirming the Moon formed from a 4.5-billion-year-old Mars-sized impact with proto-Earth. It decisively ended the Space Race, proving humans could survive beyond Earth orbit.
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