Cosmonaut Valentina Tereshkova became the first woman in space.
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All nine planets (including Pluto) lined up with the sun.
The USSR's Voskhod 1 spacecraft became the first spaceflight with multiple crew members.
Dutch astronomer Johannes Fabricius discovered sunspots.
The first spacewalk was made by the Soviet cosmonaut Georgy Grechko during Salyut 6 EO-1 mission.
Israel launched its first satellite, Ofek-1, from the Palmachim Air Base.