The famous habit of spraying champagne is in fact a result of an accident turned to tradition.
Throughout the history, the champagne producers have struggled with its tendency to burst out of the bottles. In 1950 in the Grand Prix of F1 Wolrd Championship in one of the main cities of the Champagne region, Reims, Paul Chandon Moët and Frédéric Chandon de Brailles offered the winner of the race a bottle of Moët & Chandon. The cork flew out when the bottle was handed to the winner and the champagne sprayed over the crowd.
In 1967 the winner of the race, Dan Gurney decided to shake his bottle in order to repeat the famous accident, and it became a tradition.