AUTO RACING: Ralph DePalma with his new Packard Liberty V-12 at Indianapolis, 1912. De Palma in his 1915 winning Mecedes. Ralph DePalma, on the one-mile dirt of the Indiana State Fairgrounds in 1917. Ralph De Palma, won the 1915 Indianapolis and 4 consecutive American dirt track championships.
The Reitwagen ("riding car") was designed and built by the German inventors Gottlieb Daimler and Wilhelm Maybach in Bad Cannstatt (Stuttgart) in Considered by many to be the first motorcycle, it was also the first petroleum-powered vehicle.