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The Soviets Launched the R-7 Rocket
R-7 was used to launch the first Soviet satellite, Sputnik 1, on October 4, 1957. A R-7 variant, the Vostok, launched the first Soviet cosmonauts, like Yury Gagarin, who on April 12, 1961, became the first human to orbit Earth. -
Russia Sends a Dog to Space
The USSR successfully launches Sputnik 2 that carries a dog named Laika into space. Russia then becomes the first nation to successfully send a living organism into orbit in space. -
Explorer 1
The US successfully launches the Explorer 1 satellite, the first one to reach orbit. -
SCORE
The US Launches SCORE, which is the first communication satellite. It broadcast-ed a Christmas message from President Eisenhower.