 The latter's hearth was the focus of the Imperial household's traditional religious observances.Various emperors led official revivals and promotions of the Vestals' cult, which in its various locations remained central to Rome's ancient traditional cults into the 4th century.Dedications in the Atrium of Vesta, dating predominantly AD 200 to 300, attest to the service of several "Virgines Vestales Maxime".