May 7th
In 1887 the first motor vehicle, powered by a single-cylinder engine producing 1 hp, was completed, and on May 7, 1888, Léon Serpollet achieved a speed of 30 km/h with it.
Serpollet
George W. Wilson dies.
Wilson's nitro-fueled 650cc Thunderbird engine delivered a 214.40 mph motorcycle world speed record at Bonneville Salt Flats.
Jack Wilson