Bicycle (1839): The Pedal Bicycle was invented in 1839 by the Scottish inventor Kirkpatrick Macmillan during the Industrial Revolution.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...