29 April

1916 Cal Niday born 1951 Louis Rosier won the non-championship Bordeaux Grand Prix 1967 Mike Parkes won the non-championship BRDC International Trophy 1973 Emerson Fittipaldi won the Spanish Grand Prix 1978 Theo Helfrich died 1979 Patrick Depailler won the Spanish Grand Prix 1984 Michele Alboreto won the Belgian Grand Prix 2001 Michael Schumacher won the Spanish Grand Prix