Prospero became the first British satellite to have been launched successfully by a British rocket.
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The USSR's Venera 16 probe was launched from the Baikonur Cosmodrome on a trip to Venus.
The European Space Agency launched the Venus Express, the first European spacecraft to reach Venus.
The Soviet Union launches the world's first manned space station.
The Ranger 3 robotic spacecraft launched from Cape Canaveral, Florida.
The Soviet Union's Venera 3 space probe was launched from the Baikonur Cosmodrome.