Based on the premise "It has since served as the site of combats between lions and Christians, as a fortress for the invading Visigoths in the fifth century, as a communal residence for the poor in the Middle Ages, and today is the site of a variety of events including bullfights.", can we conclude the hypothesis "The site was always and only one where bullfights occur, and has been around for a few thousand years." is true?
no