Pope Miltiades, also known as Melchiades the African, was the bishop of Rome from 311 to his death on 10 or 11 January 314. It was during his pontificate that Emperor Constantine the Great issued the Edict of Milan (313), giving Christianity legal status within the Roman Empire. The pope also received the palace of Empress Fausta where the Lateran Palace, the papal seat and residence of the papal administration, would be built. At the Lateran Council, during the schism with the Church of Carthage, Miltiades condemned the rebaptism of apostatised bishops and priests, a teaching of Donatus Magnus.
The 310s decade ran from January 1, 310, to December 31, 319.
Year 731 (DCCXXXI) was a common year starting on Monday of the Julian calendar. The denomination 731 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.
Year 312 (CCCXII) was a leap year starting on Tuesday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Constantinus and Licinianus. The denomination 312 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.
The 330s decade ran from January 1, 330, to December 31, 339.
Year 506 (DVI) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Messala and Dagalaiphus. The denomination 506 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.
Year 1178 (MCLXXVIII) was a common year starting on Sunday of the Julian calendar, the 1178th year of the Common Era (CE) and Anno Domini (AD) designations, the 178th year of the 2nd millennium, the 78th year of the 12th century, and the 9th year of the 1170s decade.
Year 256 (CCLVI) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Claudius and Glabrio. The denomination 256 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 Hilarius was the bishop of Rome from AD 461 to 468.
Year 306 (CCCVI) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Valerius. The denomination 306 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.
Year 310 (CCCX) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Andronicus and Probus. The denomination 310 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.
Year 339 (CCCXXXIX) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Claudius. The denomination 339 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.
Year 898 (DCCCXCVIII) was a common year starting on Sunday of the Julian calendar.
Donatus Magnus, also known as Donatus of Casae Nigrae, was the leader of a schismatic Christian sect known as the Donatists in North Africa, Algeria. He is believed to have died in exile around 355.
Arles in the south of Roman Gaul hosted several councils or synods referred to as Concilium Arelatense in the history of the early Christian church.
Caecilianus, or Caecilian, was archdeacon and then bishop of Carthage in 311 AD. His appointment as Bishop led to the Donatist Controversy of the Late Roman Empire. He was also one of only five Western bishops at the First Council of Nicea.
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.
Mirocles was Bishop of Milan from before 313 to c. 316. He is honoured as a Saint in the Catholic Church and his feast day is on December 3.
Marcellinus of Gaul also known as Marcellin was the first bishop of Embrun from 354 AD. He was a native of Africa Proconsularis.
Adelfius was a Romano-British bishop, possibly from Londinium (London), Lindum (Lincoln), Camulodunum (Colchester) or Legionensium (Caerleon), who was part of the British delegation who attended the church council held at Arles, in Gaul, in AD 314.
