neil Armstrong is a united states astronaut. he was the first person who set foot on the moon.he flew to the moon in apollo 11 on july 16,1969.he landed the apollo 11 on the moon on july 20,1969.he rised the american flag on the moon. he spent more than two hours on the moon. he and the other astronaut, edwin aldrin, took pictures, set up experiments, collected rocks and gathered information that others used in later trips to the moon.