Year 305 (
CCCV) was a
common year starting on Monday
A common year starting on Monday is any non-leap year (i.e., a year with 365 days) that begins on Monday, 1 January, and ends on Monday, 31 December. Its dominical letter hence is G. The most recent year of such kind was 2018, and the next one ...
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 Constantius and Valerius (or, less frequently, year 1058 ''
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 305 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
* May 1
Events Pre-1600
* 305 – Diocletian and Maximian retire from the office of Roman emperor.
* 880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.
* 1169 & ...
– 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 ...
abdicates and retires to his palace
A palace is a large residence, often serving as a royal residence or the home for a head of state or another high-ranking dignitary, such as a bishop or archbishop. The word is derived from the Latin name palātium, for Palatine Hill in Rome whi ...
at Salona
Salona (, ) was an ancient city and the capital of the Roman province of Dalmatia and near to Split, in Croatia. It was one of the largest cities of the late Roman empire with 60,000 inhabitants. It was the last residence of the final western ...
(modern 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 ...
) on the Adriatic coast
The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Sea) to ...
, after a reign of nearly 21 years, in which the last vestiges of republican government have disappeared.
* 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 ...
retires from office, and leaves for Campania
Campania is an administrative Regions of Italy, region of Italy located in Southern Italy; most of it is in the south-western portion of the Italian Peninsula (with the Tyrrhenian Sea to its west), but it also includes the small Phlegraean Islan ...
or Lucania
Lucania was a historical region of Southern Italy, corresponding to the modern-day region of Basilicata. It was the land of the Lucani, an Oscan people. It extended from the Tyrrhenian Sea to the Gulf of Taranto. It bordered with Samnium and ...
(southern Italy
Southern Italy (, , or , ; ; ), also known as () or (; ; ; ), is a macroregion of Italy consisting of its southern Regions of Italy, regions.
The term "" today mostly refers to the regions that are associated with the people, lands or cultu ...
), to live a life of ease in his luxury villas.
* 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 ...
are declared Augusti; Flavius Valerius Severus and 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 ...
are appointed Caesars.
* Constantius requests leave for his son 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 ...
to join him in the west, who has been living at the courts of Diocletian and Galerius as a hostage. Galerius allows Constantine to return.
* Summer – Constantine joins his father at Bononia (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 ...
) in Gaul
Gaul () was a region of Western Europe first clearly described by the Roman people, Romans, encompassing present-day France, Belgium, Luxembourg, and parts of Switzerland, the Netherlands, Germany, and Northern Italy. It covered an area of . Ac ...
; they cross the Channel to 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 ...
and make their way to Eboracum
Eboracum () was a castra, fort and later a coloniae, city in the Roman province of Roman Britain, Britannia. In its prime it was the largest town in northern Britain and a provincial capital. The site remained occupied after the decline of the ...
(York
York is a cathedral city in North Yorkshire, England, with Roman Britain, Roman origins, sited at the confluence of the rivers River Ouse, Yorkshire, Ouse and River Foss, Foss. It has many historic buildings and other structures, such as a Yor ...
), capital of Britannia Secunda and home to a large military base
A military base is a facility directly owned and operated by or for the military or one of its branches that shelters military equipment and personnel, and facilitates training and operations. A military base always provides accommodations for ...
. They campaign with success against the Picts
The Picts were a group of peoples in what is now Scotland north of the Firth of Forth, in the Scotland in the early Middle Ages, Early Middle Ages. Where they lived and details of their culture can be gleaned from early medieval texts and Pic ...
.
* Galerius begins a series of campaigns against the Sarmatians
The Sarmatians (; ; Latin: ) were a large confederation of Ancient Iranian peoples, ancient Iranian Eurasian nomads, equestrian nomadic peoples who dominated the Pontic–Caspian steppe, Pontic steppe from about the 5th century BCE to the 4t ...
, winning his first victory before the end of the year.
* Maximinus Daza persecutes the Christians of Egypt
Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...
, many of whom take refuge in the desert
A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the la ...
. In time, this refuge leads to the monastic
Monasticism (; ), also called monachism or monkhood, is a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual activities. Monastic life plays an important role in many Christian churches, especially ...
life. In these monasteries, Coptic writing develops, supporting the propagation of Christian texts.
* Patron
Patronage is the support, encouragement, privilege, or financial aid that an organization or individual bestows on another. In the history of art, art patronage refers to the support that princes, popes, and other wealthy and influential people ...
of Pozzuoli
Pozzuoli (; ; ) is a city and (municipality) of the Metropolitan City of Naples, in the Italian region of Campania. It is the main city of the Phlegrean Peninsula.
History
Antiquity
Pozzuoli began as the Greek colony of ''Dicaearchia ...
, Saint Proculus, and patron of Naples
Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
, Saint Januarius
Januarius ( ; ; Neapolitan and ), also known as , was Bishop of Benevento and is a martyr
A martyr (, ''mártys'', 'witness' Word stem, stem , ''martyr-'') is someone who suffers persecution and death for advocating, renouncing, or refusing ...
are thrown to wild beasts in Pozzuoli's Flavian Amphitheater, then beheaded at Solfatara
A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcani ...
.
* In this or the following year, the Baths of Diocletian
The Baths of Diocletian (Latin: ''Thermae Diocletiani'', Italian: ''Terme di Diocleziano'') were public baths in ancient Rome. Named after emperor Diocletian and built from AD 298 to 306, they were the largest of the imperial baths. The project w ...
are dedicated; the ''thermae
In ancient Rome, (from Greek , "hot") and (from Greek ) were facilities for bathing. usually refers to the large Roman Empire, imperial public bath, bath complexes, while were smaller-scale facilities, public or private, that existed i ...
'' become the largest imperial baths in Rome.
Asia
* The Daysan River floods Edessa
Edessa (; ) was an ancient city (''polis'') in Upper Mesopotamia, in what is now Urfa or Şanlıurfa, Turkey. It was founded during the Hellenistic period by Macedonian general and self proclaimed king Seleucus I Nicator (), founder of the Sel ...
.
By topic
Commerce
* Landowners dominate 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 ...
, and enjoy the title of senator, which exempts them from the crushing tax
A tax is a mandatory financial charge or levy imposed on an individual or legal entity by a governmental organization to support government spending and public expenditures collectively or to regulate and reduce negative externalities. Tax co ...
es imposed on the rest of the population. 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 ...
has lost all its power and the landowners almost never attend Senate sessions. Members of municipal senates (''curiales
In ancient Rome, the ''curiales'' (from ''co + viria'', 'gathering of men') were initially the leading members of a gens, gentes (clan) of the city of Rome. Their roles were both civil and sacred. Each ''gens curialis'' had a leader, called a ''c ...
'' or '' decuriones'') are charged with the responsibility of collecting taxes and paying arrears
In finance, arrears (or arrearage) is a legal term for the part of a debt that is overdue after missing one or more required payments. The amount of the arrears is the amount accrued from the date on which the first missed payment was due. The t ...
; smaller landowners are held responsible for providing recruits for the Roman army
The Roman army () served ancient Rome and the Roman people, enduring through the Roman Kingdom (753–509 BC), the Roman Republic (509–27 BC), and the Roman Empire (27 BC–AD 1453), including the Western Roman Empire (collapsed Fall of the W ...
, and with keeping wastelands under cultivation.
Religion
* Catherine
Katherine (), also spelled Catherine and Catherina, other variations, is a feminine given name. The name and its variants are popular in countries where large Christian populations exist, because of its associations with one of the earliest Ch ...
makes a public confession of the Christian gospel at a sacrificial
Sacrifice is an act or offering made to a deity. A sacrifice can serve as propitiation, or a sacrifice can be an Offering (Christianity), offering of praise and thanksgiving.
Evidence of ritual animal sacrifice has been seen at least since an ...
feast ordered by 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 ...
at 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 ...
. A virgin
Virginity is a social construct that denotes the state of a person who has never engaged in sexual intercourse. As it is not an objective term with an operational definition, social definitions of what constitutes virginity, or the lack thereof ...
of royal descent, she is tortured on a spiked wheel (later called the "Catherine Wheel") and beheaded
Decapitation is the total separation of the head from the body. Such an injury is invariably fatal to humans and all vertebrate animals, since it deprives the brain of oxygenated blood by way of severing through the jugular vein and common c ...
; her remains are spirited to Mount Sinai
Mount Sinai, also known as Jabal Musa (), is a mountain on the Sinai Peninsula of Egypt. It is one of several locations claimed to be the Mount Sinai (Bible), biblical Mount Sinai, the place where, according to the sacred scriptures of the thre ...
.
* The Council of Illiberis decrees that priests must be celibate
Celibacy (from Latin ''caelibatus'') is the state of voluntarily being unmarried, sexually abstinent, or both. It is often in association with the role of a religious official or devotee. In its narrow sense, the term ''celibacy'' is applied on ...
. Additionally, it condemns visiting the homes of Jews
Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...
and prohibits Christian women from marrying Jews, unless they have converted.
Births
*
Yu Yi (or Zhigong), Chinese calligrapher and general (d.
345)
Deaths
*
Januarius I of Benevento, Roman bishop and martyr
*
Catherine of Alexandria
Catherine of Alexandria, also spelled Katherine, was, according to tradition, a Christian saint and Virginity, virgin, who was martyred in the early 4th century at the hands of the emperor Maxentius. According to her hagiography, she was both a ...
, Christian martyr and virgin
*
Porphyry of Tyre, Neoplatonist philosopher and writer
*
Proculus of Pozzuoli (or Proclus), Christian martyr
*
Sossianus Hierocles, Roman proconsul and aristocrat
*
Tuoba Yituo Tuoba Yituo (; pinyin: Tuòbá Yītuō) (died 305) was the chieftain of the central Tuoba territory from 295 to 305. He is the son of Tuoba Shamohan (拓跋沙漠汗) and the brother of Tuoba Yilu and Tuoba Fu.
In 295, Tuoba Luguan the chieftain of ...
, Chinese chieftain of the
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
*
Vincent, Orontius, and Victor
Saints Vincent, Orontius, and Victor (d. 305 AD) are venerated as martyrs by the Roman Catholic and Orthodox Churches. Tradition states that Vincent and Orontius were brothers from Cimiez. They were Christians who evangelized in the Pyrenees and ...
, Christian martyrs
*
Wang Rong (or Junchong), Chinese politician (b.
234
__NOTOC__
Year 234 (Roman numerals, CCXXXIV) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pupienus and Sulla (or, less frequently, year 987 ''Ab urbe condita''). The ...
)
*
Zuo Si (or Taichong), Chinese poet and writer (b.
250)
References
{{DEFAULTSORT:305