No.
Mariner 4 was the first ship to visit Mars.
The Mars Exploration Rover Opportunity landed on Mars during 2004
No, not yet. So far, we've only managed to send machines there.
venus was the first planet visited by the American spacecraft
The mariner spacecraft explored Mercury, Mars, and Venus. The first successful space probe and first spacecraft visit to a planet was Mariner 2.
yes
The first spacecraft to visit Mars was Mariner 4. It was launched in 1964 and conducted a flyby of Mars in 1965, sending back the first close-up images of the planet's surface.
Mars has constantly been visited by spacecrafts. The first spacecraft to visit Mars was the Mariner 4. After that Mars has been visited by numerous spacecrafts like: Mars Pathfinder, Mars Global Surveyor, Mars Odyssey, Mars Express and the Mars 2 which was the first spacecraft to land on Mars.
No one has ever landed on Mars
I think that they have tried but failed. But i could be wrong...
Not so far
No. Mankind not any spacecraft made it to Mars until 1971.