How long ago was the Colosseum built?1000 years ago2000 years ago4000 years ago

The Colosseum, also known as the Flavian Amphitheatre, was commissioned by Emperor Vespasian of the Flavian dynasty in AD 70-72 and was completed in AD 80 by his successor, Emperor Titus. Given that the current year is 2023, we can observe the following:

1. Construction Year: The Colosseum was completed in AD 80.
2. Current Year: As of 2023, it has been 2023 - 80 = 1943 years since the Colosseum was built.

Final Answer

Therefore, the correct option is that the Colosseum was built approximately 2000 years ago.