how long did the colosseum take to build

The Colosseum took about 8 years to build. Construction began around 72 AD under Emperor Vespasian and was completed in 80 AD during the reign of his son, Emperor Titus. The building was a massive engineering feat, worked on by thousands of slaves, skilled laborers, and craftsmen. The short construction time was made possible due to the large workforce and efficient Roman building techniques.