That's one small step for [a] man, one giant leap for mankind.
Source: Remark when disembarking from the Eagle moon lander, 10:56 P.M. EDT 20 Jul 1969, mission of Apollo XI.
-- Neil Armstrong, (Aug 5 1930-2012), US astronaut; He was the first man to set foot on the Moon, 20 Jul 1969, on the mission of Apollo XI.