Today we"re celebrating small steps and giant leaps—it"s International Moon Day. This day honours the legacy of the Apollo 11 mission. Initially celebrated as National Moon Day in the United States, the day was recognised globally by the United Nations in 2021. Apollo 11, the pioneering space mission that first landed humans on the moon, was launched on July 16, 1969. It culminated in the astronauts Neil Armstrong and Buzz Aldrin taking the first steps on the moon on July 20, 1969.