The Era of the Martyrs ( la, anno martyrum), also known as the ''Diocletian era'' ( la, anno Diocletiani), is a method of numbering years used by the

Church of Alexandria The Church of Alexandria in Egypt is the Christian Church headed by the Patriarch of Alexandria. It is one of the original Apostolic Sees of Christianity, alongside Rome, Antioch, Constantinople and Jerusalem. Tradition holds that the Church ...

beginning in the 4th century AD/CE and by the

Coptic Orthodox Church of Alexandria The Coptic Orthodox Church ( cop, Ϯⲉⲕ̀ⲕⲗⲏⲥⲓⲁ ⲛ̀ⲣⲉⲙⲛ̀ⲭⲏⲙⲓ ⲛ̀ⲟⲣⲑⲟⲇⲟⲝⲟⲥ, translit=Ti.eklyseya en.remenkimi en.orthodoxos, lit=the Egyptian Orthodox Church; ar, الكنيسة القبطي� ...

from the 5th century to the present. Western Christians were aware of it but did not use it. It was named for the

Roman Roman or Romans most often refers to: * Rome, the capital city of Italy * Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a lett ...

Emperor

Diocletian Diocletian (; la, Gaius Aurelius Valerius Diocletianus, grc, Διοκλητιανός, Diokletianós; c. 242/245 – 311/312), nicknamed ''Iovius'', was Roman emperor from 284 until his abdication in 305. He was born Gaius Valerius Diocles ...

who instigated the last major persecution against Christians in the Empire. Diocletian began his reign on 20 November 284, during the Alexandrian year that began on 1 Thoth, the Egyptian New Year, or 29 August 284, so that date was used as the

epoch In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era. The "epoch" serves as a reference point from which time is measured. The moment of epoch is usually decided ...

: year one of the Diocletian era began on that date. This era was used to number the year in Easter tables produced by the Church of Alexandria. When

Dionysius Exiguus Dionysius Exiguus (Latin for "Dionysius the Humble", Greek: Διονύσιος; – ) was a 6th-century Eastern Roman monk born in Scythia Minor. He was a member of a community of Scythian monks concentrated in Tomis (present day Constanța ...

, an

Eastern Roman The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

of Scythia Minor, inherited the continuation of those tables for an additional 95 years (in the year 525 CE) he replaced the anno Diocletiani era with one based on the birth of Christ: the

Anno Domini The terms (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars. The term is Medieval Latin and means 'in the year of the Lord', but is often presented using "our Lord" instead of "the Lord" ...

era. The main goal was to marginalize the memory of a tyrant who persecuted Christians. The anno Domini era became dominant in the Latin West but was not used in the Greek East until modern times. The anno Diocletiani era was not the only one used by early Christians. Most Roman Christians, like the pagan Romans before them, designated their years by naming the two

consul Consul (abbrev. ''cos.''; Latin plural ''consules'') was the title of one of the two chief magistrates of the Roman Republic, and subsequently also an important title under the Roman Empire. The title was used in other European city-states throu ...

s who held office that year. The Romans also used the

ab urbe condita ''Ab urbe condita'' ( 'from the founding of the City'), or ''anno urbis conditae'' (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, the traditional founding of Rome. It is an ex ...

(AUC) era. Its name is Latin for "from the founding of the City (Rome)". However, the AUC era was hardly ever used outside historical treatises. Eras that began at Creation, called

anno Mundi (from Latin "in the year of the world"; he, לבריאת העולם, Livryat haOlam, lit=to the creation of the world), abbreviated as AM or A.M., or Year After Creation, is a calendar era based on the biblical accounts of the creation of ...

eras, became the dominant method of numbering years in the East until modern times, such as in the

Byzantine calendar The Byzantine calendar, also called the Roman calendar, the Creation Era of Constantinople or the Era of the World ( grc, Ἔτη Γενέσεως Κόσμου κατὰ Ῥωμαίους, also or , abbreviated as ε.Κ.; literal translation of ...

. Annianus of Alexandria, a monk who flourished at the beginning of the 5th century, placed the epoch of his world era on 25 March 5492BC by counting back eleven 532-year paschal cycles from anno Diocletiani 77, itself four 19-year

lunar cycle Concerning the lunar month of ~29.53 days as viewed from Earth, the lunar phase or Moon phase is the shape of the Moon's directly sunlit portion, which can be expressed quantitatively using areas or angles, or described qualitatively using the t ...

s after anno Diocletiani 1. Regarded as a civil rather than a religious era, it began on the first day of the Alexandrian year, 29 August 5493BC. This Alexandrian era was the preferred era used by

Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

Christians such as

Maximus the Confessor Maximus the Confessor ( el, Μάξιμος ὁ Ὁμολογητής), also spelt Maximos, otherwise known as Maximus the Theologian and Maximus of Constantinople ( – 13 August 662), was a Christian monk, theologian, and scholar. In his ea ...

, until the 10th century when the Byzantine era, which had an epoch of 1 September 5509BC, became dominant. Both eras used a version of dating Creation based on the

Septuagint The Greek Old Testament, or Septuagint (, ; from the la, septuaginta, lit=seventy; often abbreviated ''70''; in Roman numerals, LXX), is the earliest extant Greek translation of books from the Hebrew Bible. It includes several books beyond t ...

References

External links

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alternate link
{{DEFAULTSORT:Era Of Martyrs Classical antiquity Calendar eras Christian terminology Chronology Diocletianic Persecution Christianity in Egypt

See also

References

External links