This guide will guide you to the right knowledge about all the historical details you need to know about Nero, Caligula, Hadrian, Commodus, Constantine the Great, Caracalla, Marcus Aurelius, Julius Caesar, Augustus, and others. Some were pure evil, abusive, and sheer dictators with their own self-interest that was their only focus. Others had the best intentions for the empire. These emperors left their mark on the people, the history of the entire empire, and the cultural influence the Romans had on us.