Ответ:
The first two-wheeled rider-propelled machine C INVENTed by Baron Karl von Drais de Sauerbrun of Germany. In 1817 he rode it for 14 km.
The first two-wheeled rider-propelled machine C INVENTed by Baron Karl von Drais de Sauerbrun of Germany. In 1817 he rode it for 14 km.