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What was the first satellite to land on Mars?

Answer:
First ever satellite to land on the planet Mars was a Russian probe called Mars 2. Albeit it did not land but crashed. The first successful probe to land on Mars was Mars 3 sent by the Russians, however the probe was operational for 15 minutes after landing on Mars. The first American probe to land on Mars was the Viking 1 on the 20th of July 1976.
First answer by ID0000000000. Last edit by ID1143878282. Question popularity: 3 [recommend question].