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The earliest form of bicycle, the dandy horse, is driven by Karl von Drais.
Related Wikipedia articles
Bicycle
Pedal-driven two-wheel vehicle
A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist.Source: Wikipedia (CC BY-SA)
Dandy horse
19th-century human-powered vehicle; predecessor to the bicycle
The dandy horse, an English nickname for what was first called a Laufmaschine, then a vélocipède or draisienne, and then a pedestrian curricle or hobby-horse, or swiftwalker, is a human-powered vehicle that, being the first means of transport to make use of the two-wheeler…Source: Wikipedia (CC BY-SA)
Karl Drais
German inventor
Karl Freiherr von Drais was a noble German forest official and significant inventor in the Biedermeier period. He is regarded as "the father" and as the inventor of the bicycle.Source: Wikipedia (CC BY-SA)