__NOTOC__ Year 306 ( CCCVI) 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 ...

(link will display the full calendar) of the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...

. At the time, it was known as the Year of the Consulship of Constantius and Valerius (or, less frequently, year 1059 ''

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 exp ...

''). The denomination 306 for this year has been used since the early medieval period, when 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", ...

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, it is the year as per the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic ...

became the prevalent method in Europe for naming years.

Events

By place

Roman Empire

July 25 Events Pre-1600 * 306 – Constantine I is proclaimed Roman emperor by his troops. * 315 – The Arch of Constantine is completed near the Colosseum in Rome to commemorate Constantine I's victory over Maxentius at the Milvian Bridge. ...

–

Constantius I Flavius Valerius Constantius "Chlorus" ( – 25 July 306), also called Constantius I, was 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 t ...

dies outside Eboracum (modern-day

York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...

). Constantine, aged 23 or 24, is declared emperor by his troops. Emperor

Galerius Gaius Galerius Valerius Maximianus (; 258 – May 311) was Roman emperor from 305 to 311. During his reign he campaigned, aided by Diocletian, against the Sasanian Empire, sacking their capital Ctesiphon in 299. He also campaigned across the D ...

grants Constantine the title of

Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman people, Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caes ...

, and elevates

Flavius Valerius Severus Flavius Valerius Severus (died September 307), also called Severus II, was a Roman emperor from 306 to 307. After failing to besiege Rome, he fled to Ravenna. It is thought that he was killed there or executed near Rome. Background and early ...

to emperor of the

Western Roman Empire The Western Roman Empire comprised the western provinces of the Roman Empire at any time during which they were administered by a separate independent Imperial court; in particular, this term is used in historiography to describe the period fr ...

. * Constantine institutes toleration of the

Christians Christians () are people who follow or adhere to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. The words ''Christ'' and ''Christian'' derive from the Koine Greek title ''Christós'' (Χρι ...

in his territories. * Constantine establishes his capital in Augusta Treverorum (

Trier Trier ( , ; lb, Tréier ), formerly known in English as Trèves ( ;) and Triers (see also names in other languages), is a city on the banks of the Moselle in Germany. It lies in a valley between low vine-covered hills of red sandstone in the ...

). He begins a major expansion of the city, strengthening the walls, expanding the palace complex and building the Imperial Baths. * Building on the efforts of

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 ...

, Galerius introduces the poll tax to central and southern Italy and truncates the size of the

Praetorian Guard The Praetorian Guard (Latin: ''cohortēs praetōriae'') was a unit of the Imperial Roman army that served as personal bodyguards and intelligence agents for the Roman emperors. During the Roman Republic, the Praetorian Guard were an escort fo ...

, with plans to disband the Guard altogether. *

October 28 Events Pre-1600 * 97 – Roman emperor Nerva is forced by the Praetorian Guard to adopt general Marcus Ulpius Trajanus as his heir and successor. * 306 – Maxentius is proclaimed Roman emperor. * 312 – Constantine I defeats ...

–

Maxentius Marcus Aurelius Valerius Maxentius (c. 283 – 28 October 312) was a Roman emperor, who reigned from 306 until his death in 312. Despite ruling in Italy and North Africa, and having the recognition of the Senate in Rome, he was not recognized ...

, son of former Western Emperor

Maximian Maximian ( la, Marcus Aurelius Valerius Maximianus; c. 250 – c. July 310), nicknamed ''Herculius'', was Roman emperor from 286 to 305. He was ''Caesar'' from 285 to 286, then ''Augustus'' from 286 to 305. He shared the latter title with his ...

, leads a revolt by the

and members of the

Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

, and is proclaimed Emperor.

Southern Italy Southern Italy ( it, Sud Italia or ) also known as ''Meridione'' or ''Mezzogiorno'' (), is a macroregion of the Italian Republic consisting of its southern half. The term ''Mezzogiorno'' today refers to regions that are associated with the peop ...

supports Maxentius, as do

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

Corsica Corsica ( , Upper , Southern ; it, Corsica; ; french: Corse ; lij, Còrsega; sc, Còssiga) is an island in the Mediterranean Sea and one of the 18 regions of France. It is the fourth-largest island in the Mediterranean and lies southeast of ...

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label=Algherese and Catalan) is the second-largest island in the Mediterranean Sea, after ...

and

Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...

. Maxentius recalls Maximian from retirement, who joins his son in Rome. * Winter: Constantine fights with success against the

Franks The Franks ( la, Franci or ) were a group of Germanic peoples whose name was first mentioned in 3rd-century Roman sources, and associated with tribes between the Lower Rhine and the Ems River, on the edge of the Roman Empire.H. Schutz: Tools, ...

. * Galerius has the Rotunda of Galerius built in

Thessaloniki Thessaloniki (; el, Θεσσαλονίκη, , also known as Thessalonica (), Saloniki, or Salonica (), is the second-largest city in Greece, with over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area, and the capi ...

( Macedonia).

Asia

* The

War of the Eight Princes The War of the Eight Princes, Rebellion of the Eight Kings, or Rebellion of the Eight Princes () was a series of civil wars among kings/princes (Chinese: ''wáng'' 王) of the Chinese Jin dynasty from 291 to 306 AD. The key point of contention in ...

ends in

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

By topic

Religion

* The Synod of Elvira concludes with the issue of various canons, including one declaring that killing through a magic

spell Spell(s) or The Spell(s) may refer to: Processes * Spell (paranormal), an incantation * Spell (ritual), a magical ritual * Spelling, the writing of words Arts and entertainment Film and television * ''The Spell'' (1977 film), an American t ...

is a sin and the work of the devil. * Metrophanes becomes bishop of Byzantium. * The Patriarchate of Lisbon is established. * Christianity is established in

Roman Britain Roman Britain was the period in classical antiquity when large parts of the island of Great Britain were under occupation by the Roman Empire. The occupation lasted from AD 43 to AD 410. During that time, the territory conquered was ...

. British bishops participate in the councils of

Arles Arles (, , ; oc, label= Provençal, Arle ; Classical la, Arelate) is a coastal city and commune in the South of France, a subprefecture in the Bouches-du-Rhône department of the Provence-Alpes-Côte d'Azur region, in the former province of ...

(

314 __NOTOC__ Year 314 ( CCCXIV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Rufius and Annianus (or, less frequently, year 1067 ''Ab ...

Nicaea Nicaea, also known as Nicea or Nikaia (; ; grc-gre, Νίκαια, ) was an ancient Greek city in Bithynia, where located in northwestern Anatolia and is primarily known as the site of the First and Second Councils of Nicaea (the first and seve ...

(

325 __NOTOC__ Year 325 ( CCCXXV) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Proculus and Paulinus (or, less frequently, year 1078 ''Ab urbe condita''). The denomination 3 ...

) and Arminum ( 349).

Births

Ephrem the Syrian Ephrem the Syrian ( syc, ܡܪܝ ܐܦܪܝܡ ܣܘܪܝܝܐ, Mār ʾAp̄rêm Sūryāyā, ; grc-koi, Ἐφραὶμ ὁ Σῦρος, Efrém o Sýros; la, Ephraem Syrus; am, ቅዱስ ኤፍሬም ሶርያዊ; ), also known as Saint Ephrem, Saint ...

, Syriac theologian and hymnodist (d.

373 __NOTOC__ Year 373 ( CCCLXXIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Valens (or, less frequently, year 1126 ...

)

Deaths

February 17 Events Pre-1600 * 1370 – Northern Crusades: Grand Duchy of Lithuania and the Teutonic Knights meet in the Battle of Rudau. * 1411 – Following the successful campaigns during the Ottoman Interregnum, Musa Çelebi, one of the sons of ...

– Theodore of Amasea, Roman soldier and

martyr A martyr (, ''mártys'', "witness", or , ''marturia'', stem , ''martyr-'') is someone who suffers persecution and death for advocating, renouncing, or refusing to renounce or advocate, a religious belief or other cause as demanded by an externa ...

March 4 Events Pre-1600 *AD 51 – Nero, later to become Roman emperor, is given the title '' princeps iuventutis'' (head of the youth). * 306 – Martyrdom of Saint Adrian of Nicomedia. * 852 – Croatian Knez Trpimir I issues a st ...

–

Adrian and Natalia of Nicomedia Adrian of Nicomedia (also known as Hadrian) or Saint Adrian ( el, Ἁδριανὸς Νικομηδείας, Adrianos Nikomēdeias, died 4 March 306) was a Herculian Guard of the Roman Emperor Galerius Maximian. After becoming a convert to Chri ...

, Christian martyrs *

–

Constantius Chlorus Flavius Valerius Constantius "Chlorus" ( – 25 July 306), also called Constantius I, was 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 t ...

, Roman emperor (b. c.

250 __NOTOC__ Year 250 ( CCL) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Traianus and Gratus (or, less frequently, year 1003 ''Ab u ...

) * August 25 – Maginus, Christian hermit and martyr * Demetrius of Thessaloniki, Roman soldier and martyr *

Sima Ying Sima Ying (司馬穎) (279 – December 306), courtesy name Zhangdu (章度), was a Jin Dynasty (266–420) imperial prince who served briefly as his brother Emperor Hui's regent and crown prince. He was the sixth of eight princes commonly asso ...

, Chinese prince of the Jin Dynasty (b.

279 __NOTOC__ Year 279 ( CCLXXIX) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Probus and Paternus (or, less frequently, year 1032 ...

) * Sima Yong (or Wenzai), Chinese prince and

regent A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...

References

{{DEFAULTSORT:306