Claim: 1959 Monaco Grand Prix (held on 10 May 1959) had 24 drivers, one of whom was Stirling Moss.
Evidence: The 1959 Monaco Grand Prix was a Formula One motor race held at the Circuit de Monaco on 10 May 1959. Australia Jack Brabham United_Kingdom Tony Brooks France Maurice Trintignant United_States Phil Hill New_Zealand Bruce McLaren United_Kingdom Roy Salvadori United_Kingdom Stirling Moss United_Kingdom Ron Flockhart United_States Harry Schell Sweden Jo Bonnier France Jean Behra United_Kingdom Graham Hill United_States Masten Gregory Germany Wolfgang von Trips United_Kingdom Cliff Allison United_Kingdom Bruce Halford United_Kingdom Ivor Bueb Italy Giorgio Scarlatti Belgium Alain de Changy Belgium Lucien Bianchi Italy Maria Teresa de Filippis United_States Pete Lovely France Jean Lucienbonnet Monaco André Testut