This Day in Auto History: 8.23.1917 Harry Larrowe Swan of the Ford Motor Company is born in Detroit, MI 8.23.1923 Coachbuilder Vanden Plas (England) 1923 Ltd. reorganizes and takes over the former premises of The Kingsbury Aviation Company in northwest London 8.23.1939 John R. Cobb, driving a Railton Special at the Bonneville Salt Flats, UT, raises the land speed record to 369.70 mph 8.23.1959 Stirling Moss wins the Portuguese Grand Prix at the Monsanto circuit near Lisbon driving a Cooper-Climax, the only Formula 1 race ever staged at this venue 8.23.1974 Roger Hedlund, driving the Battery Box, sets a land speed record for electric automobiles of 175 mph at the Bonneville Salt Flats, UT

Source: Automobile History Day By Day, by Douglas A. Wick