Athanasius I of Alexandria, also called Athanasius the Great, Athanasius the Confessor, or, among Coptic Christians, Athanasius the Apostolic, was a church father and the 20th pope of Alexandria. His intermittent episcopacy spanned 45 years, of which over 17 encompassed five exiles, when he was replaced on the order of four different Roman emperors. Athanasius was a Christian theologian, a Church Father, the chief defender of Trinitarianism against Arianism, and a noted Egyptian Christian leader of the fourth century.
Pope Julius I was the bishop of Rome from 6 February 337 to his death on 12 April 352. He is notable for asserting the authority of the pope over the Arian Eastern bishops, as well as setting December 25 as the official birthdate of Jesus.
The 340s decade ran from January 1, 340, to December 31, 349.
The 350s decade ran from January 1, 350, to December 31, 359.
Year 356 (CCCLVI) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Iulianus. The denomination 356 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Pope John I was the bishop of Rome from 13 August 523 to his death. He was a native of Siena, in Italy. He was sent on a diplomatic mission to Constantinople by the Ostrogoth King Theoderic to negotiate better treatment for Arians. Although John was relatively successful, upon his return to Ravenna, Theoderic had him imprisoned for allegedly conspiring with Constantinople. The frail pope died of neglect and ill-treatment.
Paul I or Paulus I or Saint Paul the Confessor, was the sixth bishop of Constantinople, elected first in 337 AD. Paul became involved in the Arian controversy which drew in the Emperor of the West, Constans, and his counterpart in the East, his brother Constantius II. Paul was installed and deposed three times from the See of Constantinople between 337 and 351. He was murdered by strangulation during his third and final exile in Cappadocia. His feast day is on November 6.
Frumentius was a Phoenician Christian missionary and the first bishop of Axum who brought Christianity to the Kingdom of Aksum. He is sometimes known by other names, such as Abuna and Aba Salama.
Eusebius of Vercelli was a bishop from Sardinia and is counted a saint. Along with Athanasius, he affirmed the divinity of Jesus against Arianism.
January 22 - Eastern Orthodox liturgical calendar - January 24
Saint Renatus is the name of a French and an Italian saint of the Catholic Church who is claimed to be the same person. There are different stories of two saints with by the name Renatus, who were later merged into a single one based on their described similarities and contemporaneity. Both are venerated in Italy and France. They were: Saint Renatus of Sorrento, and Saint Renatus of Angers. Part of their stories seem to be a legend, part incomplete and part deficient historically documented.
Saint Liberalis of Treviso is a saint of the 4th century. Tradition states that he was a priest who opposed Arianism and that he was persecuted at Ancona.
The Diocese of Teano-Calvi is a Roman Catholic ecclesiastical territory in Campania, southern Italy, created in 1986. It is a suffragan of the Archdiocese of Naples. The historic Diocese of Teano and Diocese of Calvi Risorta were united in 1818, forming the diocese of Calvi e Teano.
The Diocese of Teano was a Roman Catholic diocese in Italy, located in the city of Teano in the province of Caserta in Campania, Italy. In 1818, it was united the Diocese of Calvi Risorta to form the Diocese of Calvi e Teano. In 1986, the two dioceses were combined into one, with the seat of the bishop at Teano.
Heliodorus was the first bishop of Altinum in the 4th century. He was born in Dalmatia. Like Chromatius, he was a disciple of Valerianus, the bishop of Aquileia.
Bertharius was a Benedictine abbot of Monte Cassino who is venerated as a saint and martyr. He was also a poet and a writer. A member of the Lombard nobility, Bertharius as a young man made a pilgrimage to Monte Cassino at the time of the abbacy of Bassacius and decided as a result to become a monk.
Constantine the Great's (272–337) relationship with the four Bishops of Rome during his reign is an important component of the history of the Papacy, and more generally the history of the Catholic Church.
Saint Paris or Paris of Teano was ordained Bishop of Teano by Pope Sylvester I. His feast day is August 5.
December 6 - Eastern Orthodox liturgical calendar - December 8
Giulio Magnani was a Roman Catholic prelate who served as Bishop of Calvi Risorta (1560–1565).
