Two men (L-R) ride on early bicycles known as the Hobby Horse and 'Boneshaker'. The Hobby Horse was invented by Karl Von Drais in 1818 and was operated by kicking against the street. In 1863, a French coachbuilder added cranks and pedals to the Hobby Horse and invented the 'boneshaker', circa 19th century. (Photo by Herz/Getty Images)
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