What was the first probe that successfully landed on Mars?
Curiosity
Viking 1
Pionner 10
Luna 1
Viking 1 was the first of two spacecraft (along with Viking 2) sent to Mars as part of NASA's Viking program. On July 20, 1976, it became the first spacecraft to land successfully on Mars and perform its mission. Viking 1 held the record for the longest Mars surface mission of 2307 days until that record was broken by Opportunity on May 19, 2010.
reach: rather globalastronauticsastronomyMarsspace
Answers by country
Curiosity
Viking 1
Pionner 10
Luna 1
answers
Lebanon10
the United States206
Greece16
the Netherlands12
Austria56
Unknown18
the United Kingdom96
India345
Poland7885
Canada18
Switzerland27
Italy11
Australia33
Germany388
the Philippines23
Pakistan20
France16
Spain12
Republic of Ireland13