304

This article is about the year 304. For the number, see304 (number).For other uses, see304 (disambiguation).

Millennium:	1st millennium
Centuries:	3rd century 4th century 5th century
Decades:	280s 290s 300s 310s 320s
Years:	301 302 303 304 305 306 307

304 in variouscalendars

Gregorian calendar	304 CCCIV
Ab urbe condita	1057
Assyrian calendar	5054
Balinese saka calendar	225–226
Bengali calendar	−289
Berber calendar	1254
Buddhist calendar	848
Burmese calendar	−334
Byzantine calendar	5812–5813
Chinese calendar	Quý hợiNăm (WaterPig) 3001 or 2794 — to — Giáp năm (WoodRat) 3002 or 2795
Coptic calendar	20–21
Discordian calendar	1470
Ethiopian calendar	296–297
Hebrew calendar	4064–4065
Hindu calendars
-Vikram Samvat	360–361
-Shaka Samvat	225–226
-Kali Yuga	3404–3405
Holocene calendar	10304
Iranian calendar	318 BP – 317 BP
Islamic calendar	328 BH – 327 BH
Javanese calendar	184–185
Julian calendar	304 CCCIV
Korean calendar	2637
Minguo calendar	1608 beforeROC Dân trước 1608 năm
Nanakshahi calendar	−1164
Seleucid era	615/616AG
Thai solar calendar	846–847
Tibetan calendar	Âm thủy heo năm (female Water-Pig) 430 or 49 or −723 — to — Dương mộc chuột năm (male Wood-Rat) 431 or 50 or −722

Saint Vincent of Saragossa

Year304(CCCIV) was aleap year starting on Saturday(link will display the full calendar) of theJulian calendar.It was known in theRoman Empireas theYear of the Consulship of Diocletian and Maximian(or, less frequently,year 1057Ab urbe condita). The denomination 304 for this year has been used since the early medieval period, when theAnno Dominicalendar erabecame the prevalent method in Europe for naming years.

Events

By place

Roman Empire

• CaesarGalerius,perhaps accompanied by EmperorDiocletian,wins his fourth and final victory over theCarpi.Many of the surviving Carpi andBastarnaeare 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 theDanubeborder, becomes seriously ill.
• CaesarConstantius Ibesieges a Germanic raiding force on an island in the Rhine and forces their surrender.

Asia

• Sixteen Kingdoms:TheXiongnuestablishes theHan-Zhaostate underLiu Yuan,often seen as the start of theUpheaval of the Five Barbarians.
• Cheng-Hanearns its independence fromJin dynasty.
• Biryubecomes king of the Korean kingdom ofBaekje.

By topic

Religion

• October 25–Pope Marcellinusdies at Rome after an 8-year reign. Thepapal thronewill remain vacant until308.

Deaths

Pope Marcellinus

Saint Anastasia

• October 25–Pope Marcellinus
• December 25–Saint Anastasia(martyred)
• Date unknown
  • Saint Afra(martyred by fire)
  • Saint Agape, Chionia, and Irene(martyred)
  • Saint Agnes(martyred)
  • Saint Alban(possibly 309)
  • Bunseo of Baekje,king ofBaekje(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(martyred)
  • Sima Ai,Chinese prince of theJin dynasty(b.277)
  • Saints Theodora and Didymus(martyred)
  • Saint Vincent of Saragossa(martyred)