![Roman History on X: "Ancient Rome was the the first city to reach a population of 1 million people in 133BC. London, England reached the mark in 1810. https://t.co/paTvMXcNA8" / X Roman History on X: "Ancient Rome was the the first city to reach a population of 1 million people in 133BC. London, England reached the mark in 1810. https://t.co/paTvMXcNA8" / X](https://pbs.twimg.com/media/FlAhV4SXoAIbq2A.png)
Roman History on X: "Ancient Rome was the the first city to reach a population of 1 million people in 133BC. London, England reached the mark in 1810. https://t.co/paTvMXcNA8" / X
Discovery Channel India - The first city to reach a population of 1 million people was Rome, Italy in 133 B.C. | Facebook
![WTF Facts on X: "Historians claim the city of Rome was the first city in the world to reach a population of 1 million people, all the way back in 133 BC. WTF Facts on X: "Historians claim the city of Rome was the first city in the world to reach a population of 1 million people, all the way back in 133 BC.](https://pbs.twimg.com/media/EzNAZDCUYAoD-I3.jpg)
WTF Facts on X: "Historians claim the city of Rome was the first city in the world to reach a population of 1 million people, all the way back in 133 BC.
![Central Bank of India on X: "DidYouKnow - The first city to reach 1 million population was London http://t.co/CZXNEkN4O3" / X Central Bank of India on X: "DidYouKnow - The first city to reach 1 million population was London http://t.co/CZXNEkN4O3" / X](https://pbs.twimg.com/media/B6-Sk_9IcAAUITs.png)