Fear and terror, or in Greek Phobos and Deimos, are the moons of Mars, and they are still in orbit, they have not landed.
6/8//2012 Methinks
July 4th 1997
The Mars rover Opprutunity landed on January 24, 2004 By Aj
Below link under recent missions
Phobos and deimos are moons of mars they never "landed on it" and unlike earth mars' two moons are more likely to be captured asteroids.
The first NASA space craft to mars set off on August 2007 and they arrived in may 2008
It didn't a small object hit it and the connection was lost. However, it did flyby Mars on July 14 and 15, 1965.
NASA's Viking 1 and Viking 2 landed on Mars in 1976.
Although it is not certain that "Beagle 2" actually crashed onto Mars, it was due to land on the surface on 25th December 2003
687 days is a year for mars
NASA's twin robot geologists, the Mars Exploration Rovers, launched toward Mars on June 10 and July 7, 2003, to find answers to the questions about water on Mars. They landed on Mars January 3 and January 24 PST, 2004.
a year on mars is 1.88 Earth years