Arianism (Koinē Greek: Ἀρειανισμός, Areianismós) is a Christological doctrine first attributed to Arius (c. AD 256–336), a Christian presbyter from Alexandria, Egypt. Arian theology holds that Jesus Christ is the Son of God, who was begotten by God the Father with the difference that the Son of God did not always exist but was begotten within time by God the Father, therefore ...

Arius (/ ə ˈ r aɪ ə s, ˈ ɛər i-/; Koinē Greek: Ἄρειος, Áreios; 250 or 256 – 336) was a Cyrenaic presbyter, ascetic, and priest best known for the doctrine of Arianism. His teachings about the nature of the Godhead in Christianity, which emphasized God the Father's uniqueness and Christ's subordination under the Father, and his opposition to what would become the …

Eusebius succeeded Agapius as Bishop of Caesarea soon after 313 and was called on by Arius who had been excommunicated by his bishop Alexander of Alexandria.An episcopal council in Caesarea pronounced Arius blameless. Eusebius enjoyed the favor of the Emperor Constantine.Because of this he was called upon to present the creed of his own church to the …

The Edict of Thessalonica (also known as Cunctos populos), issued on 27 February AD 380 by three reigning Roman emperors, made the catholicism of Nicene Christians in the Great Church the state church of the Roman Empire. It condemned other Christian creeds such as Arianism as heresies of "foolish madmen," and authorized their punishment.. This edict, addressed to the …

The initial number of bishops supporting Arius was small. After a month of discussion, on 19 June, there were only two left: Theonas of Marmarica in Libya and Secundus of Ptolemais. Maris of Chalcedon, who initially supported Arianism, agreed to the whole creed.

Constantine was born in Naissus (today Niš, Serbia), part of the Dardania province of Moesia on 27 February, c. AD 272. His father was Flavius Constantius who was born in the same region (then called Dacia Ripensis) and a native of the province of Moesia. His original full name, as well as that of his father, is not known. His praenomen is variously given as Lucius, Marcus and …

The Arian controversy was a series of Christian disputes about the nature of Christ that began with a dispute between Arius and Athanasius of Alexandria, two Christian theologians from Alexandria, Egypt.The most important of these controversies concerned the relationship between the substance of God the Father and the substance of His Son. ...

Conflict with Arius and Arianism, as well as with successive Roman emperors, shaped Athanasius' career. In 325, at age 27, Athanasius began his leading role against the Arians as a deacon and assistant to Bishop Alexander of Alexandria during the First Council of Nicaea.

This council condemned Arianism which began to die out with further condemnations at a council of Aquileia by Ambrose of Milan in 381. With the discussion of Trinitarian doctrine now developed, the focus of discussion changed to Christology , which would be the topic of the Council of Ephesus of 431 and the Council of Chalcedon of 451.

The virgin birth of Jesus is the Christian doctrine that Jesus was conceived by his mother, Mary, through the power of the Holy Spirit and without sexual intercourse. It is mentioned only in Matthew 1:18–25 and Luke 1:26–38, and the modern scholarly consensus is that the narrative rests on very slender historical foundations. The ancient world had no understanding that male …