Sunday 11th September 1977
During the final of the Alfasud Europe Cup, the support race to the 1977 Italian Formula One Grand Prix at Monza circuit, an advertising board where about sixty spectators had climbed up to watch the races, suddenly collapsed throwing all the people down. Part of the advertising board hit other spectators seated on the branches of the trees all around, and other people sitting under the structure was crushed. One spectator died from thoracic crushing and other 35 people sustained several injuries, 5 of them were seriously wounded.