<p>The First Synod of Arles was one of the first church bodies to legally meet within the Roman Empire. It took place a year after the Edict of Milan jointly issued east and west in which Christianity became a legal religion within the Roman state. This council was the first called by Constantine I the Great and would be the forerunner for the much larger First Council of Nicaea. It attempted to address: the date of Easter Donatism excommunication of prostitutes and charioteers regulation of clergy anabaptism and clarification of the rite of baptism for those entering the faith. </p>