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 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 ...

, wins his fourth and final victory over the

Carpi Carpi may refer to: Places * Carpi, Emilia-Romagna, a large town in the province of Modena, central Italy * Carpi (Africa), a city and former diocese of Roman Africa, now a Latin Catholic titular bishopric People * Carpi (people), an ancie ...

. 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 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 by ...

: The Wu Hu uprising establishes the Han Kingdom, under Liu Yuan. * Sichuan earns its independence from

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 ...

. *

Biryu Biryu (?-?) was the second son of Jumong and So Seo-no, and older brother of Onjo, the traditionally recognized founder of Baekje (18 BCE–660 CE), which was one of the Three Kingdoms of Korea. In an alternate legend, Biryu himself ...

becomes king of the Korean kingdom of Baekje.

By topic

Religion

October 25 Events Pre-1600 * 285 (or 286) – Execution of Saints Crispin and Crispinian during the reign of Diocletian, now the patron saints of leather workers, curriers, and shoemakers. * 473 – Emperor Leo I acclaims his grandson Leo II a ...

– Pope Marcellinus dies at Rome after an 8-year reign. The

papal throne A throne is the seat of state of a potentate or dignitary, especially the seat occupied by a sovereignty, sovereign on state occasions; or the seat occupied by a pope or bishop on ceremonial occasions. "Throne" in an abstract sense can also refer ...

will remain vacant until

308 __NOTOC__ Year 308 ( CCCVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. It was known in the Roman Empire as the Year of the Consulship of Diocletian and (Galerius) Maximianus (or, less ...

Births

Deaths

– Pope Marcellinus * December 25 –

Saint Anastasia Saint Anastasia or Santa Anastasia may refer to one of several saints named Anastasia. Otherwise it may refer to: * Basilica di Sant'Anastasia al Palatino, basilica and titular church for cardinal-priests in Rome, Italy * Cathedral of St. Anasta ...

(martyred) *Date unknown **

Saint Afra Saint Afra (died 304) was martyred during the Diocletian persecution. Along with Saint Ulrich, she is a patron saint of Augsburg. Her feast day is August 7. Afra was dedicated to the service of the goddess, Venus, by her mother, Hilaria. Throu ...

(martyred by fire) ** Saint Agape, Chionia, and Irene (martyred) **

Saint Agnes Agnes of Rome () is a virgin martyr, venerated as a saint in the Catholic Church, Oriental Orthodox Church and the Eastern Orthodox Church, as well as the Anglican Communion and Lutheran Churches. St. Agnes is one of several virgin martyrs com ...

(martyred) ** Saint Alban (possibly 309) **

Bunseo of Baekje Bunseo of Baekje (died 304, r. 298–304) was the tenth king of Baekje, one of the Three Kingdoms of Korea. Background He was the eldest son of King Chaekgye. He became king upon Chaekgye's death in 298 when he was killed in battle during the 1 ...

, king of Baekje ( Korea) ** Saint Florian (martyred) ** Saint Gorgonius of Nicomedia (martyred) ** Saint Juliana of Nicomedia (martyred) ** Saint Lucy of Syracuse (martyred) ** Saint Margaret (martyred) ** Saint Pancras (martyred) **

Saint Philomena Philomena ( el, Ἁγία Φιλομένα), also known as Saint Philomena or ''Philomena of Rome'' was a young virgin martyr whose remains were discovered on May 24–25, 1802, in the Catacomb of Priscilla. Three tiles enclosing the tomb bore ...

(martyred) ** Sima Ai, Chinese prince of the Jin dynasty (b.

277 __NOTOC__ Year 277 ( CCLXXVII) was a common year starting on Monday (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 Paulinus (or, less frequently, year 1030 ''A ...

) **

Saints Theodora and Didymus Saints Theodora and Didymus (died 304) are Christian saints whose legend is based on a 4th-century ''acta'' and the word of Saint Ambrose. The pair were martyred in the reigns of co-ruling Roman Emperors Diocletian and Maximianus. St. Theod ...

(martyred) ** Saint Vincent of Saragossa (martyred)

References

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