Indeed the city was destroyed after a siege by Rufius Volusianus, the "praefectus praetorio" of the "augustus" Maxentius; Maxentius's forces defeated the imperial claimant Domitius Alexander in 310. Constantine the Great rebuilt under his own name after 312 and his own victory over Maxentius in the Battle of the Milvian Bridge. Constantine made Constantina the capital of all Roman Numidia. In 320 the bishop of Cirta was accused of having handed over () Christian texts to the authorities during the Diocletianic Persecution, which had begun in 303 in Cirta. The bishop Silvanus was a Donatist and was prosecuted in December 320 by Domitius Zenophilus, the consularis and proconsul of Africa; the records of the proceedings () are preserved in the , a text collected in the "Optatan Appendix". A cave for the practice of Mithraism also existed in the 4th century.