23 April

1923 Chuck Weyant born 1961 Pierluigi Martini born 1962 Bruce McLaren won the non-championship Lavant Cup 1962 Graham Hill won the non-championship Glover Trophy 1962 Maurice Trintignant won the non-championship Pau Grand Prix 1963 Paul Belmondo born 1971 Dempsey Wilson died 1972 Emerson Fittipaldi won the non-championship BRDC International Trophy 1989 Ayrton Senna won the San Marino Grand Prix 2000 David Coulthard won the British Grand Prix