Vicente de Zaragoza by Tomás Giner, 1462–1466

Year 304 ( CCCIV) was a

leap year starting on Saturday A leap year starting on Saturday is any year with 366 days (i.e. it includes 29 February) that begins on Saturday, 1 January, and ends on Sunday, 31 December. Its dominical letters hence are BA. The most recent year of such kind was 2000 and the ne ...

(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 ...

. It was known in the

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediterr ...

as the Year of the Consulship of Diocletian and Maximian (or, less frequently, year 1057 ''

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 304 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

* Caesar

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 ...

, perhaps accompanied by Emperor Diocletian, wins his fourth and final victory over the Carpi (people), Carpi. Many of the surviving Carpi and Bastarnae are resettled in the Roman Empire, where they are split up. The Bastarnae are not attested after this time, and the Carpi are attested only once more in the 310s. * Diocletian, while inspecting the Danube border, becomes seriously ill. * Caesar Constantius I besieges a Germanic raiding force on an island in the Rhine and forces their surrender.

Asia

* Sixteen Kingdoms: The Wu Hu uprising establishes the Han Zhao, Han Kingdom, under Liu Yuan (Han Zhao), Liu Yuan. * Sichuan earns its independence from China. * Biryu of Baekje, Biryu becomes king of the Korean kingdom of Baekje.

By topic

Religion

* October 25 – Pope Marcellinus dies at Rome after an 8-year reign. The throne, papal throne will remain vacant until 308.

Births

Deaths

* October 25 – Pope Marcellinus * December 25 – Anastasia of Sirmium, Saint Anastasia (martyred) *Date unknown ** Saint Afra (martyred by fire) ** Agape, Chionia, and Irene, Saint Agape, Chionia, and Irene (martyred) ** Saint Agnes (martyred) ** Saint Alban (possibly 309) ** Bunseo of Baekje, king of Baekje (Korea) ** Saint Florian (martyred) ** Gorgonius, Saint Gorgonius of Nicomedia (martyred) ** Juliana of Nicomedia, Saint Juliana of Nicomedia (martyred) ** Saint Lucy, Saint Lucy of Syracuse (martyred) ** Margaret the Virgin, Saint Margaret (martyred) ** Pancras of Rome, Saint Pancras (martyred) ** Saint Philomena (martyred) ** Sima Ai, Chinese prince of the Jin dynasty (265–420), Jin dynasty (b. 277) ** Saints Theodora and Didymus (martyred) ** Saint Vincent of Saragossa (martyred)

References

{{DEFAULTSORT:304 304,