<Table> <Tr> <Td> </Td> <Td> This article includes a list of references, but its sources remain unclear because it has insufficient inline citations . Please help to improve this article by introducing more precise citations . (February 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article includes a list of references, but its sources remain unclear because it has insufficient inline citations . Please help to improve this article by introducing more precise citations . (February 2016) (Learn how and when to remove this template message) </Td> </Tr> <P> The history of the motorcycle begins in the second half of the 19th century . Motorcycles are descended from the "safety bicycle," a bicycle with front and rear wheels of the same size and a pedal crank mechanism to drive the rear wheel . Despite some early landmarks in its development, the motorcycle lacks a rigid pedigree that can be traced back to a single idea or machine . Instead, the idea seems to have occurred to numerous engineers and inventors around Europe at around the same time . </P>

Who invented the first bike in the world