and humans fought wild animals. At times the arena was flooded to allow re-creations of famous naval battles. Contrary to the views of some modern authors, we have no evidence that Christians were persecuted in the Colosseum. It was not opened to the public until A.D. 80, long after the persecutions under Nero in A.D. 64. Gladiatorial shows, probably the oldest form of Roman games, were held at irregular intervals. Although less popular than chariot races, they attracted huge crowds. Even the Greek