Which city was the first to reach 1 million?
The first city to reach a population of 1 million people was Rome, Italy in 133 B.C. Angkor, Cambodia in the 12th Century during the Khmer Empire had a million people. London, England reached the mark in 1810 and New York City, USA made it in 1875. Today, there are over 300 cities in the world that boast a population in excess of 1 million.