26 April

1921 François Picard born 1937 Gus Hutchinson born 1937 Jean-Pierre Beltoise born 1944 José Dolhem born 1958 Johnny Dumfries born 1970 Chris Amon won the non-championship BRDC International Trophy 1971 Graham Hill won the non-championship BRDC International Trophy 1998 David Coulthard won the San Marino Grand Prix