World's First Bicycle History of the bicycle

A Vehicles for human to transport which have two wheels and need balancing by the rider early in 19th century. Its a first means of transport using of two wheels arranged continuously, and thus the semi circle type of the bicycle, its was the German designer back to 1817. The term bicycle was define in France in the 1860s.
There are many early claims for the invention of bicycle-like machines but all are unverified.The earliest comes from a sketch from 1534 and designed by Gian Giacomo Caprotti, a student of Leonardo da Vinci.
The first orignal claim for a practically used bicycle origante to German Baron Karl von Drais,a civil servant of the Duke of Baden in Germany. Drais invented his Laufmaschine(German for running machine) of 1817 that called Draisine in English or draisienne in French by the media.

Karl von Drais patented this design in 1818, which was the first market successful two-wheeled, human-propelled machine First mechanically propelled two-wheel vehicle invented by Kirkpatrick MacMillan, a Scottish blacksmith, in 1839.
his nephew later claimed that his uncle developed a rear-wheel drive design using middle-mounted treadles connected by the rods to a rear crank,copy to the transmission of a steam locomotive. when a Glasgow newspaper reported in 1842 when accident.