Year 317 ( CCCXVII) was a

common year starting on Tuesday A common year starting on Tuesday is any non-leap year (i.e. a year with 365 days) that begins on Tuesday, 1 January, and ends on Tuesday, 31 December. Its dominical letter hence is F. The most recent year of such kind was 2019, and the next one wi ...

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 Gallicanus and Bassus (or, less frequently, year 1070 ''

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 317 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.

Events

By place

Roman Empire

March 1 Events Pre-1600 * 509 BC – Publius Valerius Publicola celebrates the first triumph of the Roman Republic after his victory over the deposed king Lucius Tarquinius Superbus at the Battle of Silva Arsia. * 293 – Emperor Diocleti ...

– Emperor

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

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 ...

elevate their sons

Crispus Flavius Julius Crispus (; 300 – 326) was the eldest son of the Roman emperor Constantine I, as well as his junior colleague ( ''caesar'') from March 317 until his execution by his father in 326. The grandson of the ''augustus'' Constantius ...

, Constantine II and

Licinius II Licinius II, also called Licinius Junior or Licinius Caesar (Latin: ''Valerius Licinianus Licinius''; – ), was the son of the Roman emperor Licinius I. He held the imperial rank of ''Caesar (title)#Tetrarchy, caesar'' between March 317 and Sep ...

to '' Caesars''. After this arrangement Constantine rules the dioceses

Pannonia Pannonia (, ) was a Roman province, province of the Roman Empire bounded on the north and east by the Danube, on the west by Noricum and upper Roman Italy, Italy, and on the southward by Dalmatia (Roman province), Dalmatia and upper Moesia. It ...

and

Macedonia Macedonia (, , , ), most commonly refers to: * North Macedonia, a country in southeastern Europe, known until 2019 as the Republic of Macedonia * Macedonia (ancient kingdom), a kingdom in Greek antiquity * Macedonia (Greece), a former administr ...

, and establishes his residence at

Sirmium Sirmium was a city in the Roman province of Pannonia, located on the Sava river, on the site of modern Sremska Mitrovica in the Vojvodina autonomous province of Serbia. First mentioned in the 4th century BC and originally inhabited by Illyrians ...

, from where he prepares a campaign against the

Goths The Goths were a Germanic people who played a major role in the fall of the Western Roman Empire and the emergence of medieval Europe. They were first reported by Graeco-Roman authors in the 3rd century AD, living north of the Danube in what is ...

and Sarmatians. * Licinius recognizes Constantine I as senior emperor and executes

Valerius Valens Aurelius Valerius Valens (; died shortly after 1 March 317), rarely enumerated as Valens I, was briefly Roman emperor from late 316 to early 317. He was proclaimed emperor by Licinius, emperor of the East, during his war against Constantine I, ...

Asia

Sixteen Kingdoms The Sixteen Kingdoms (), less commonly the Sixteen States, was a chaotic period in Chinese history from AD 304 to 439 when northern China fragmented into a series of short-lived dynastic states. The majority of these states were founded b ...

: Jingwen (later Yuan of Jin) flees with remnants of the Jin court and noble families to the south. He succeeds Emperor Min of Jin as first ruler of the Eastern Jin Dynasty and decides to make

Jiankang Jiankang (), or Jianye (), as it was originally called, was the capital city of the Eastern Wu (229–265 and 266–280 CE), the Jin dynasty (265–420), Eastern Jin dynasty (317–420 CE) and the Southern Dynasties (420–552), including the Ch ...

(modern

Nanjing Nanjing or Nanking is the capital of Jiangsu, a province in East China. The city, which is located in the southwestern corner of the province, has 11 districts, an administrative area of , and a population of 9,423,400. Situated in the Yang ...

) his new capital. * The earliest historically verified reference to

tea Tea is an aromatic beverage prepared by pouring hot or boiling water over cured or fresh leaves of '' Camellia sinensis'', an evergreen shrub native to East Asia which probably originated in the borderlands of south-western China and nor ...

is recorded, although the Chinese have been drinking the

beverage A drink or beverage is a liquid intended for human consumption. In addition to their basic function of satisfying thirst, drinks play important roles in human culture. Common types of drinks include plain drinking water, milk, juice, smoothie ...

for centuries.

Births

* August 7 –

Constantius II Constantius II (; ; 7 August 317 – 3 November 361) was Roman emperor from 337 to 361. His reign saw constant warfare on the borders against the Sasanian Empire and Germanic peoples, while internally the Roman Empire went through repeated civ ...

, Roman emperor (d. 361) * Fú Jiàn, Chinese emperor of the

Former Qin Qin, known as the Former Qin and Fu Qin (苻秦) in historiography, was a Dynasties of China, dynastic state of China ruled by the Fu (Pu) clan of the Di (Five Barbarians), Di peoples during the Sixteen Kingdoms period. Founded in the wake of ...

(d. 355) * Junius Bassus Theotecnius, Roman politician (d.

359 __NOTOC__ Year 359 (Roman numerals, CCCLIX) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Eusebius and Hypatius (or, less frequently, year 1112 ''Ab urbe condita''). The ...

) *

Themistius Themistius ( ; 317 – c. 388 AD), nicknamed Euphrades (, "''eloquent''"), was a statesman, rhetorician and philosopher. He flourished in the reigns of Constantius II, Julian, Jovian, Valens, Gratian and Theodosius I, and he enjoyed the favo ...

, Byzantine statesman and philosopher

Deaths

, Roman emperor

References

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