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.
What was the person who invented the water wheel? The invention of water wheel is 2000 yrs old. The first account of a water wheel combined with a bucket chain was given by Philon of Byzanz.