Citing http://wiki.answers.com/Q/How_many_moon_landings_have_there_been
There have been 6 landings – and 12 people – on the moon; all were US Apollo missions.
The First Moon Landing (July 20, 1969)
American astronaut Neil Armstrong (commander of the Apollo 11 mission), accompanied by Buzz Aldrin, landed the lunar module Eagle on the surface of the moon at 4:17:42 p.m. [...]













