how was the roman colosseum constructed
Construction of the Ancient Roman Colosseum was started by Emperor Vespasian in 70 A.D. After Vespasian's death in 79 A.D. his son Titus completed and inaugurated the Roman Colosseum in 80 A.D. The opening ceremony is documented to have lasted 100 days and between 5000 and 11000 wild animals were killed.