The Edict of Milan was a letter issued in 313 AD by the emperors Constantine and Licinius proclaiming religious toleration in the Roman Empire; therefore marking the end of persecutions of Christians that had been implemented by the emperor Diocletian. The edict granted all persons the freedom to worship whatever deity they please, assured the Christians of legal rights and instructed the return of confiscated property to Christians. This freedom of christianity grew among the emperors, leading to the later Edict of Thessalonica in 380 AD. The Edict of Thessalonica, also known as Cunctos populos, ordered all subjects of the Roman Empire to profess the faith of the bishops of Rome and Alexandria, making Nicene Christianity the state religion of the Roman Empire. …show more content…
With the widespread implication of Nicene Christianity throughout the Empire came many beliefs that, although founded from the same ideals and principles of Nicene Christianity, slightly differed in order to create a heretical religion in the eyes of the Empire. This notion of beliefs offsetting the “true”religion being practiced upon the empire was seen as disobeying the religion and the words of god. The three main groups who were primarily know for this heresy were Manichaeism, Donatism and