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What happened on Neil Armstrong’s Apollo 11 mission?

On July 20, 1969, some 600 million television viewers watched the Apollo 11 Moon landing. Neil Armstrong stepped onto the lunar soil and said, ā€œThat’s one small step for [a] man, one giant leap for mankind.ā€ He and crewmate Buzz Aldrin departed after over 21 hours of scientific tests and sample collection on the Moon.