Part 2: http://youtu.be/oPkqOBr4PQs
The 1981 Formula One season was the 32nd season of FIA Formula One motor racing. It featured the 1981 FIA Formula One World Championship which was contested over a fifteen race series that commenced on 15 March and ended on 17 October. Formula One cars also contested the 1981 South African Grand Prix, although this was technically a Formula Libre race and was not part of the Formula One World Championship.
The 1981 championship was the inaugural FIA Formula One World Championship, replacing the former World Championship for Drivers. Nelson Piquet won the Drivers' Championship, claiming the first of his three Formula One titles and Williams won the Constructors' Championship. (Wikipedia).