October 4
World Space Week
About this day
World Space Week celebrates the international level the contributions of space science and technology have taken for the betterment of the human condition. Taking place between October 4- 10, The start and end dates of World Space Week were chosen to correspond with the launch of the first human-made Earth satellite, Sputnik 1, on October 4, 1957; and the signing of the Outer Space Treaty on October 10, 1967.