when did this happen?
July 20, 1969
Apollo 11
Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module "Eagle" on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC; Aldrin joined him 19 minutes later
what was the general purpose of the apollo missions landing the  humans on the Moon when was it launched? 1968 which organization launched it? National Aeronautics and Space Administration can you name any of its used spacecrafts? Lunar Excursion Module , command and service module any astronaut who took part in its program? Neil Armstrong, Michael Collins and Buzz Aldrin has this first person been to navy? Yes, he was also a naval aviator. which other space program was he a part other than the above one? National Advisory Committee for Aeronautics (NACA) did he walk on any planetary body? Yes, he was the  first person to walk on the Moon.
wiki:1608860
Apollo 11 [SEP] Introduction
Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module "Eagle" on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC; Aldrin joined him 19 minutes later. They spent about two and a quarter hours together outside the spacecraft, and they collected of lunar material to bring back to Earth. Command module pilot Michael Collins flew the Command Module "Columbia" alone in lunar orbit while they were on the Moon's surface.