__NOTOC__ Year 313 ( CCCXIII) was a

common year starting on Thursday A common year starting on Thursday is any non-leap year (i.e. a year with 365 days) that begins on Thursday, 1 January, and ends on Thursday, 31 December. Its dominical letter hence is D. The most recent year of such kind was 2015, and the next ...

of the

Julian calendar The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts ...

. At the time, it was known as the Year of the Consulship of Constantinus and Licinianus (or, less frequently, year 1066 ''

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

''). The denomination 313 for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

calendar era A calendar era is the period of time elapsed since one '' epoch'' of a calendar and, if it exists, before the next one. For example, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years. This year is notable for ending of the persecution of

Christians A Christian () is a person who follows or adheres to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. Christians form the largest religious community in the world. The words '' Christ'' and ''C ...

in the

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

Events

By place

Roman Empire

* At the end of 312 or in early 313, the retired Emperor

Diocletian Diocletian ( ; ; ; 242/245 – 311/312), nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia (Roman province), Dalmatia. As with other Illyri ...

dies in his palace in

Split Split(s) or The Split may refer to: Places * Split, Croatia, the largest coastal city in Croatia * Split Island, Canada, an island in the Hudson Bay * Split Island, Falkland Islands * Split Island, Fiji, better known as Hạfliua Arts, enter ...

, most likely from natural causes. *

February February is the second month of the year in the Julian calendar, Julian and Gregorian calendars. The month has 28 days in common years and 29 in leap years, with the February 29, 29th day being called the ''leap day''. February is the third a ...

: Emperors

Constantine I Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

and

Licinius Valerius Licinianus Licinius (; Ancient Greek, Greek: Λικίνιος; c. 265 – 325) was Roman emperor from 308 to 324. For most of his reign, he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan that ...

convene in

Mediolanum Mediolanum, the ancient city where Milan now stands, was originally an Insubres, Insubrian city, but afterwards became an important Ancient Rome, Roman city in Northern Italy. The city was settled by a Celts, Celtic tribe belonging to the Ins ...

(modern

Milan Milan ( , , ; ) is a city in northern Italy, regional capital of Lombardy, the largest city in Italy by urban area and the List of cities in Italy, second-most-populous city proper in Italy after Rome. The city proper has a population of nea ...

). Licinius marries Constantine's half-sister Constantia, and they issue the

Edict of Milan The Edict of Milan (; , ''Diatagma tōn Mediolanōn'') was the February 313 agreement to treat Christians benevolently within the Roman Empire. Frend, W. H. C. (1965). ''The Early Church''. SPCK, p. 137. Western Roman Emperor Constantine I and ...

. This edict ends the Great Persecution against the

and is the first piece of legislation in western history to decree

freedom of religion Freedom of religion or religious liberty, also known as freedom of religion or belief (FoRB), is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice ...

. It also returns property confiscated from Christians. The edict is posted in

Nicomedia Nicomedia (; , ''Nikomedeia''; modern İzmit) was an ancient Greece, ancient Greek city located in what is now Turkey. In 286, Nicomedia became the eastern and most senior capital city of the Roman Empire (chosen by the emperor Diocletian who rul ...

on June 13. * Emperor

Maximinus Daza Galerius Valerius Maximinus, born as Daza (; 20 November 270 – July 313), was Roman emperor from 310 to 313. He became embroiled in the civil wars of the Tetrarchy between rival claimants for control of the empire, in which he was defeated ...

crosses the

Bosphorus The Bosporus or Bosphorus Strait ( ; , colloquially ) is a natural strait and an internationally significant waterway located in Istanbul, Turkey. The Bosporus connects the Black Sea to the Sea of Marmara and forms one of the continental bo ...

with an army of 70,000 men and lays siege to Heraclea in

Thrace Thrace (, ; ; ; ) is a geographical and historical region in Southeast Europe roughly corresponding to the province of Thrace in the Roman Empire. Bounded by the Balkan Mountains to the north, the Aegean Sea to the south, and the Black Se ...

. He captures the city after eight days. *

Battle of Tzirallum The Battle of Tzirallum was part of the civil wars of the Tetrarchy fought on 30 April 313 between the Roman armies of emperors Licinius and Maximinus. The battle location was on the "Campus Serenus" at Tzirallum, identified as the modern-day ...

: Licinius defeats his rival Maximinus in Thrace, who then flees to

Cilicia Cilicia () is a geographical region in southern Anatolia, extending inland from the northeastern coasts of the Mediterranean Sea. Cilicia has a population ranging over six million, concentrated mostly at the Cilician plain (). The region inclu ...

. After losing the

Cilician Gates The Cilician Gates or Gülek Pass is a pass through the Taurus Mountains connecting the low plains of Cilicia to the Anatolian Plateau, by way of the narrow gorge of the Gökoluk River. Its highest elevation is about 1000m. The Cilician Gates ...

to Licinius' forces, Maximinus commits suicide. * Licinius conducts a purge of the wider Tetrarchic dynasty. He executes

Galerius Galerius Valerius Maximianus (; Greek: Γαλέριος; 258 – May 311) was Roman emperor from 305 to 311. He participated in the system of government later known as the Tetrarchy, first acting as '' caesar'' under Emperor Diocletian. In th ...

' son Candidianus,

Valerius Severus Flavius Valerius Severus (died September 307), enumerated as Severus II, was a Roman emperor from 306 to 307, and a member of the Tetrarchy. He shared control of the western half of the empire with Constantine I, but spent most of his short re ...

' son Severianus (whom he accuses of conspiracy), and Maximinus' wife, son and daughter. Diocletian's wife Prisca and daughter

Galeria Valeria Galeria Valeria (died 315) was the daughter of Roman Emperor Diocletian and wife of his co-emperor Galerius. Biography Born to Diocletian and Prisca, she married Galerius in 293, when her father elevated him to the position of Caesar. This m ...

go into hiding.

Asia

March 14 Events Pre-1600 * 1074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. * 1590 – Battle of Ivry: Henry of Navarre and the H ...

–

Emperor Huai of Jin Emperor Huai of Jin (; 284 – March 14, 313), personal name Sima Chi (司馬熾), courtesy name Fengdu (豐度), was an emperor of the Jin dynasty. Emperor Huai was captured in July 311 ( Disaster of Yongjia) and later executed in 313 under t ...

is executed by Liu Cong, ruler of the

Xiongnu The Xiongnu (, ) were a tribal confederation of Nomad, nomadic peoples who, according to ancient Chinese historiography, Chinese sources, inhabited the eastern Eurasian Steppe from the 3rd century BC to the late 1st century AD. Modu Chanyu, t ...

state (

Han-Zhao The Han-Zhao ( zh, s=汉赵, t=漢趙, p=Hàn Zhào; 304–329 AD), or Former Zhao ( zh, s=前赵, t=前趙, p=Qián Zhào), was a dynastic state of China ruled by the Liu ( Luandi) clan of Chuge-Xiongnu ethnicity during the Sixteen Kingdoms per ...

). At the imperial new year he and a number of former Jin officials are poisoned. Crown prince Min of Jin, age 13, succeeds, in

Chang'an Chang'an (; zh, t=長安, s=长安, p=Cháng'ān, first=t) is the traditional name of the city now named Xi'an and was the capital of several Chinese dynasties, ranging from 202 BCE to 907 CE. The site has been inhabited since Neolithic time ...

, his uncle Huai of Jin and becomes the new emperor of the

Jin Dynasty Jin may refer to: States Jìn 晉 * Jin (Chinese state) (晉國), major state of the Zhou dynasty, existing from the 11th century BC to 376 BC * Jin dynasty (266–420) (晉朝), also known as Liang Jin and Sima Jin * Jin (Later Tang precursor) ...

. * Nintoku, the fourth son of Ōjin, becomes the 16th emperor of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. The historical profile of Nintoku is generally accepted as fact without attributing all of the things he allegedly accomplished.

By topic

Art and Science

Basilica of Maxentius and Constantine The Basilica of Maxentius (), sometimes known by its original Latin name, Basilica Nova or, less commonly, the Basilica of Constantine (Italian: ''Basilica Constantini''), was a civic basilica in the Roman Forum. At the time of its construction, ...

(or Basilica Nova), in

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

, is finished.

Religion

February 3 Events Pre-1600 * 1047 – Drogo of Hauteville is elected as count of the Apulian Normans during the Norman conquest of Southern Italy. * 1112 – Ramon Berenguer III, Count of Barcelona, and Douce I, Countess of Provence, marry, u ...

–

Constantine the Great Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

and co-emperor

meet at a conference in

(modern

). They proclaim a policy of religious freedom for all, ending the persecution of Christians in the

and returning property confiscated from Christians. The edict is posted in

on June 13. *

October 2 Events Pre-1600 * 829 – Theophilos succeeds his father Michael II as Byzantine Emperor. * 939 – Battle of Andernach: Otto I, Holy Roman Emperor, crushes a rebellion against his rule, by a coalition of Eberhard of Franconia an ...

– Lateran Synod:

Donatism Donatism was a schism from the Catholic Church in the Archdiocese of Carthage from the fourth to the sixth centuries. Donatists argued that Christianity, Christian clergy must be faultless for their ministry to be effective and their prayers and ...

is declared a

heresy Heresy is any belief or theory that is strongly at variance with established beliefs or customs, particularly the accepted beliefs or religious law of a religious organization. A heretic is a proponent of heresy. Heresy in Heresy in Christian ...

. *

Arius Arius (; ; 250 or 256 – 336) was a Cyrenaica, Cyrenaic presbyter and asceticism, ascetic. He has been regarded as the founder of Arianism, which holds that Jesus Christ was not Eternity, coeternal with God the Father, but was rather created b ...

preaches of the human nature of

Jesus Jesus (AD 30 or 33), also referred to as Jesus Christ, Jesus of Nazareth, and many Names and titles of Jesus in the New Testament, other names and titles, was a 1st-century Jewish preacher and religious leader. He is the Jesus in Chris ...

Births

Cyril of Jerusalem Cyril of Jerusalem (, ''Kýrillos A Ierosolýmon''; ; 386) was a theologian of the Early Church. About the end of AD 350, he succeeded Maximus as Bishop of Jerusalem, but was exiled on more than one occasion due to the enmity of Acacius of ...

, Christian bishop and theologian (d.

386 __NOTOC__ Year 386 (Roman numerals, CCCLXXXVI) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Honorius and Euodius (or, less frequently, year 1139 ''Ab urbe condita''). ...

) *

Didymus the Blind Didymus the Blind ( Coptic: ; 398), alternatively spelled Dedimus or Didymous, was a Christian theologian in the Church of Alexandria, where he taught for about half a century. He was a student of Origen, and, after the Second Council of Constant ...

, Alexandrian theologian (d.

398 __NOTOC__ Year 398 ( CCCXCVIII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Eutychianus (or, less frequently, year 1151 ''Ab urbe condita''). The denomin ...

) *

Shi Hong Shi Hong (石弘) (313 – December 334( ��和九年��一月，虎遣郭殷持节入宫，废弘为海阳王。弘安步就车，容色自若，谓群臣曰：“庸昧不堪纂承大统，夫复何言！”群臣莫不流涕，宫人恸哭。群 ...

, Chinese emperor of the Jie state (d.

334 __NOTOC__ Year 334 ( CCCXXXIV) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Optatus and Caesonius (or, less frequently, year 1087 ''Ab urbe condita''). The denomination ...

)

Deaths

– Huai of Jin, Chinese emperor (b.

284 __NOTOC__ Year 284 ( CCLXXXIV) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Carinus and Numerianus (or, less frequently, year 1037 ''Ab urbe condita''). The denomination ...

) *

Achillas Achillas (; died 47 BC) was one of the guardians of the Egyptian king Ptolemy XIII Theos Philopator, and commander of the king's troops, when Pompey fled to Egypt in September 48 BC. He was called by Julius Caesar a man of extraordinary daring, ...

(the Great), pope and patriarch of

Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...

* Galerius Valerius Maximinus, Roman emperor (b.

270 __NOTOC__ Year 270 ( CCLXX) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Antiochianus and Orfitus (or, less frequently, year 1023 ''Ab urbe condita''). The denominati ...

) *

Candidianus (son of Galerius) Candidianus (c. 296–313) was the son of the Roman Emperor Galerius and adoptive son of Galeria Valeria, the wife of Galerius and daughter of Diocletian and Prisca. Life and execution Candidianus was the son of Galerius and a concubine whose ...

* Severianus, son of

* Guangxian, Chinese empress of the

state *

Zhang Huiguang Zhang Huiguang (); died 313), formally Empress Wuxiao (, literally "the martial and filial empress"), was an empress of the Xiongnu-led Chinese Han-Zhao dynasty. She was Liu Cong (Emperor Zhaowu)'s second wife. Zhang Huiguang was the daughter of ...

(or Wuxiao), Chinese empress

References

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