toygeek writes: Before Curiosity, before Opportunity, before Spirit, and before Sojourner, the very first robot to land on Mars was this little guy, way back in December of 1971. Called PrOP-M, the rover was part of the Soviet Union's Mars-3 mission, which had the potential to deploy the first ever mobile scientific instruments onto the Martian surface. Article also contains Russian video on early rovers.
"Card readers? We don't need no stinking card readers."
-- Peter da Silva (at the National Academy of Sciencies, 1965, in a
particularly vivid fantasy)