1997 European GP (Jerez) - Schumacher/Villeneuve crash

The crash at the European Grand Prix in Jerez that decided the 1997 World Championship. Schumacher deliberately turned in on Villeneuve to stop him from passing on the 48th lap in the Dry-Sack corner, but hit a side pod on the car and made his car slide into the gravel trap. Villeneuve&car had taken damage, but was able to finish in 3rd place, putting him 3 points ahead of Schumacher in the World Title. Since this was the final race in the 1997 season, Villeneuve won the World Championship while Schumacher was disqualified from the Driver&Championship, putting him in last place in the points and the only driver to ever be disqualified from a Driver&Championship.