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First spacecraft to land on another planet

First spacecraft to land on another planet
Who
Venera 3
What
First
Where
Not Applicable
When
01 January 1966
Venera 3 (USSR) was designed to land on Venus and take basic measurements. Shortly before landing on 1 March 1966 all contact was lost with the probe, which is believed to have impacted on the night side of the planet. No scientific data was returned from the surface.