The bicycle has been one of the most fascinating inventions by man. It is known for its agility and practicality and has been improved drastically since the time it was invented. Today, bicycles are used for transportation, recreation and commuting purposes. The earliest bicycle to be invented was during early 19th century. At that time, the bicycle was a crude structure, with no rubber tyres, no proper saddle, paddles or even brakes for that matter!
Multiple innovators contributed to the history of the bicycle by developing precursor human-powered vehicles. The documented ancestors of today's modern bicycle were known as draisines, hobby horses, or push bikes (and modern bicycles are sometimes still called push bikes outside of North America). Being the first human means of transport to make use of the two-wheeler principle, the draisine (or Laufmaschine, "running machine"), invented by the German Baron Karl von Drais, is regarded as the forerunner of the modern bicycle. It was introduced by Drais to the public in Mannheim in summer 1817 and in Paris in 1818.[3] Its rider sat astride a wooden frame supported by two in-line wheels and pushed the vehicle along with his/her feet while steering the front wheel.
http://lifestyle.iloveindia.com/lounge/history-of-bicycle-2059.html
http://en.wikipedia.org/wiki/Bicycle
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