One of Allportâs stories is always mentioned in his biographies: When he was 22, he traveled to Vienna. He had arranged to meet with the great Sigmund Freud! When he arrived in Freudâs office, Freud simply sat and waited for Gordon to begin.
In 500 BC, Darius I the Great started an extensive road system for Persia (Iran), including the famous Royal Road which was one of the finest highways of its time. The road was used even after the Roman times. Because of the road's superior quality, mail couriers could travel 2,699 kilometres (1,677 mi) in seven days.
The  earliest known use of the wheel for the use of transportation dates  back to 3200 B.C   The wheel was invented by the Mesopotamians, who inhabited the  Fertile Crescent between the Tigris and Euphrates Rivers, otherwise  known as modern-day Iran.he date is before recorded history, the earliest wheel that's been  discovered is around 8000 years ago or 3700 BCE.