12 April

1907 Eugene Chaboud born 1917 Robert Manzon born 1942 Carlos Reutemann born 1961 Corrado Fabi born 1962 Ron Flockhart killed 1964 John Surtees won the non-championship Syracuse Grand Prix 1981 Nelson Piquet won the Argentinian Grand Prix 1987 Alain Prost won the Brazilian Grand Prix 1998 Michael Schumacher won the Argentinian Grand Prix