# UNG478 - 2007 United Nations Geneva
October 4, 1957, was the day the first man-made Earth satellite, Sputnik, was launched. This was a monumental event in Earth’s space travel history, a technological advance that opened up new possibilities of exploration. October 10, 1967, was the day the Treaty on Principles Governing the Activities of States in the Exploration and Peaceful Uses of Outer Space was put into force.
The F.s. 3,00 souvenir sheet shows an extended version of the astronauts spacewalking pictured on the 90¢ U.S. stamp.
October 4, 1957, was the day the first man-made Earth satellite, Sputnik, was launched. This was a monumental event in Earth’s space travel history, a technological advance that opened up new possibilities of exploration. October 10, 1967, was the day the Treaty on Principles Governing the Activities of States in the Exploration and Peaceful Uses of Outer Space was put into force.
The F.s. 3,00 souvenir sheet shows an extended version of the astronauts spacewalking pictured on the 90¢ U.S. stamp.