1968 Formula One season on the scene when Ken Tyrrell entered his own team using a Cosworth-powered car built by French aeronautics company Matra and driven by ex-BRM driver Jackie Stewart. Unsurprisingly the season-opening 1968 South African Grand Prix confirmed Lotus' superiority, with Jim Clark and Graham Hill finishing 1–2. It would be Clark's last win. On 7 April 1968 Clark, one of the most successful and popular drivers of all time, was killed at Hockenheim in a non-championship Formula Two event. The Scotsman had gone off the track caused by what was believed to be a deflating rear tire; 90% of the Hockenheim
Formula 4S Powerboat World Championship being conducted on circuits homologated by UIM. Number of boats in a heat should not exceed number of boats in homologation of race course. Participants of main heats are selected by qualification. Maximum straight is 600m. Races running anticlockwise. Minimal number of the heats is 2. Generally it is 3 or 4 heats. Pilots is being scored for each heat according to UIM rules. Winner is defined by sum of points. World champions: Formula 1 F4-s World Series: European champions: Formula 4S Powerboat World Championship The Formula-4s Powerboat World Championship is an international inshore powerboat racing competition for powerboats organised