nov 1, 1962 - Mars 1 (Sputnik 23)
Failed Mars flyby attempt (USSR)
Mars 1 launched successfully and began the trip to Mars, returning data on interplanetary space. However, controllers lost contact with Mars 1 on March 21, 1963, when the spacecraft was 107 million kilometers (66 million miles) from Earth when the signal was lost. The spacecraft is now in a solar orbit.
Added to timeline:
the videos are in the parts of Mars Exploration Rover Spirit...