__NOTOC__ Year 293 ( CCXCIII) was a

common year starting on Sunday A common year starting on Sunday is any non-leap year (i.e. a year with 365 days) that begins on Sunday, January 1, 1 January, and ends on Sunday, December 31, 31 December. Its dominical letter hence is A. The most recent year of such kind was 2023 ...

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 ...

. 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 ...

, it was known as the Year of the Consulship of

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 ...

and

Maximian Maximian (; ), nicknamed Herculius, was Roman emperor from 286 to 305. He was ''Caesar (title), Caesar'' from 285 to 286, then ''Augustus (title), Augustus'' from 286 to 305. He shared the latter title with his co-emperor and superior, Diocleti ...

(or, less frequently, year 1046 ''

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 293 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 ...

– Emperors

and

appoint

Constantius I Flavius Valerius Constantius ( – 25 July 306), also called Constantius I, was a Roman emperor from 305 to 306. He was one of the four original members of the Tetrarchy established by Diocletian, first serving as ''caesar'' from 293 to 3 ...

and

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 ...

as Caesars. This is considered the beginning of the

Tetrarchy The Tetrarchy was the system instituted by Roman emperor Diocletian in 293 AD to govern the ancient Roman Empire by dividing it between two emperors, the ''augusti'', and their junior colleagues and designated successors, the ''caesares''. I ...

, known as the ''Quattuor Principes Mundi'' ("Four Rulers of the World"). (Some sources and scholars date Galerius' elevation to

May 21 Events Pre-1600 * 293 – Roman Emperors Diocletian and Maximian appoint Galerius as '' Caesar'' to Diocletian, beginning the period of four rulers known as the Tetrarchy. * 878 – Syracuse, Sicily, is captured by the Muslim Aghlab ...

.) * Constantius retakes some of the Gallic territories from the usurper

Carausius Marcus Aurelius Mausaeus Carausius (died 293) was a military commander of the Roman Empire in the 3rd century. He was a Menapian from Belgic Gaul, who usurped power in 286, during the Carausian Revolt, declaring himself emperor in Britain and ...

. He conquers the crucial port of Bononia (modern

Boulogne Boulogne-sur-Mer (; ; ; or ''Bononia''), often called just Boulogne (, ), is a coastal city in Hauts-de-France, Northern France. It is a Subprefectures in France, sub-prefecture of the Departments of France, department of Pas-de-Calais. Boul ...

). * Towards the end of the year, Carausius is murdered by his finance minister

Allectus Allectus (died 296) was a Roman-Britannic usurper-emperor in Britain and northern Gaul from 293 to 296. History Allectus was treasurer to Carausius, a Menapian officer in the Roman navy who had seized power in Britain and northern Gaul in 28 ...

, who proclaims himself the new emperor of

Britain Britain most often refers to: * Great Britain, a large island comprising the countries of England, Scotland and Wales * The United Kingdom of Great Britain and Northern Ireland, a sovereign state in Europe comprising Great Britain and the north-eas ...

. * In this or the following year, Constantius defeats the

Franks file:Frankish arms.JPG, Aristocratic Frankish burial items from the Merovingian dynasty The Franks ( or ; ; ) were originally a group of Germanic peoples who lived near the Rhine river, Rhine-river military border of Germania Inferior, which wa ...

in Batavia (

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

). * Galerius begins a series of two campaigns in Upper Egypt against the rebel cities of

Coptos Qift ( ; ''Keft'' or ''Kebto''; Egyptian Gebtu; ''Coptos'' / ''Koptos''; Roman Justinianopolis) is a city in the Qena Governorate of Egypt about north of Luxor, situated a little south of latitude 26° north, on the east bank of the Nile. In a ...

and Boresis as well as the

Blemmyes The Blemmyes ( or Βλέμυες, ''Blémues'' , Latin: ''Blemmyae'') were an Eastern Desert people who appeared in written sources from the 7th century BC until the 8th century AD. By the late 4th century, they had occupied Lower Nubia and esta ...

and Meroitic Nubians. * Over the course of his reign, but especially from the time of the Tetrarchy's creation, Diocletian divides the large provinces of the early empire into smaller administrative units, and he groups these new smaller provinces into

dioceses In Ecclesiastical polity, church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided Roman province, prov ...

. He also accelerates the third-century trend whereby the administration and military of the provinces are increasingly divided between governors and generals (''duces'') respectively, whereas formerly governors had also been in charge of the legions. This expansion of imperial personnel increases Diocletian's control over the empire and weakens the power of individual officials and officers. Moreover, Diocletian expands the retinues of the individual emperors to have more ministers and secretaries, thus establishing what will become known as the late Roman

Consistorium The ''sacrum consistorium'' or ''sacrum auditorium'' (from , "discuss a topic"; , "sacred assembly") was the highest political council of the Roman Empire from the time of Constantine the Great on. It replaced the '' consilium principis'' that had ...

Persia

* King

Bahram II Bahram II (also spelled Wahram II or Warahran II; ) was the fifth Sasanian King of Kings (''shahanshah'') of Iran, from 274 to 293. He was the son and successor of Bahram I (). Bahram II, while still in his teens, ascended the throne with the ai ...

of the

Persian Empire The Achaemenid Empire or Achaemenian Empire, also known as the Persian Empire or First Persian Empire (; , , ), was an Iranian empire founded by Cyrus the Great of the Achaemenid dynasty in 550 BC. Based in modern-day Iran, it was the larg ...

dies after a 17-year reign; his son Bahram III ascends to the throne. After four months, Bahram III's great-uncle

Narseh Narseh (also spelled Narses or Narseus; ) was the seventh King of Kings of Sasanian Iran from 293 to 303. The youngest son of Shapur I (), Narseh served as the governor of Sakastan, Hind and Turan under his father. Shapur I was eventually s ...

, the king of

Persarmenia Sasanian Armenia, also known as Persian Armenia and Persarmenia ( – ''Parskahayastan''), may either refer to the periods in which Armenia ( – ''Armin'') was under the suzerainty of the Sasanian Empire or specifically to the parts of Armeni ...

, marches on the Persian capital

Ctesiphon Ctesiphon ( ; , ''Tyspwn'' or ''Tysfwn''; ; , ; Thomas A. Carlson et al., “Ctesiphon — ܩܛܝܣܦܘܢ ” in The Syriac Gazetteer last modified July 28, 2014, http://syriaca.org/place/58.) was an ancient city in modern Iraq, on the eastern ba ...

with the support of a faction of the nobility and the eastern Satraps. Bahram is overthrown and Narseh is declared the new King of Kings.

China

* Tuoba Fu succeeds his uncle

Tuoba Chuo Tuoba Chuo (; pinyin: Tuòbá Chuò) (died 293), was chieftain of the Tuoba from 286 to 293. He was the son of Tuoba Liwei, brother of Tuoba Shamohan, Tuoba Xilu, Tuoba Luguan. In 286 he succeeded his brother Tuoba Xilu as chieftain of the Tuoba. ...

, as chieftain of the Chinese

Tuoba The Tuoba (Chinese language, Chinese) or Tabgatch (, ''Tabγač''), also known by #Names, other names, was an influential Xianbei clan in early imperial China. During the Sixteen Kingdoms after the fall of Han and the Three Kingdoms, the Tuoba e ...

Clan.

By topic

Religion

* Probus succeeds Rufinus, as Bishop of Byzantium.

Births

Deaths

, king of the

Sassanid Empire The Sasanian Empire (), officially Eranshahr ( , "Empire of the Iranians"), was an Iranian empire that was founded and ruled by the House of Sasan from 224 to 651. Enduring for over four centuries, the length of the Sasanian dynasty's reign ...

* Bahram III, king of the Sassanid Empire *

, Roman general and

usurper A usurper is an illegitimate or controversial claimant to power, often but not always in a monarchy. In other words, one who takes the power of a country, city, or established region for oneself, without any formal or legal right to claim it a ...

, Chinese chieftain of the

tribe * Yuwen Mohuai, Chinese chieftain of the

Yuwen The Yuwen ( < Eastern Han Chinese: *''wa^B-mun'' <