254

This article is about the year 254. For the number, see254 (number).

Millennium:	1st millennium
Centuries:	2nd century 3rd century 4th century
Decades:	230s 240s 250s 260s 270s
Years:	251 252 253 254 255 256 257

254 in variouscalendars

Gregorian calendar	254 CCLIV
Ab urbe condita	1007
Assyrian calendar	5004
Balinese saka calendar	175–176
Bengali calendar	−339
Berber calendar	1204
Buddhist calendar	798
Burmese calendar	−384
Byzantine calendar	5762–5763
Chinese calendar	Quý dậuNăm (WaterRooster) 2951 or 2744 — to — Giáp Tuất năm (WoodDog) 2952 or 2745
Coptic calendar	−30 – −29
Discordian calendar	1420
Ethiopian calendar	246–247
Hebrew calendar	4014–4015
Hindu calendars
-Vikram Samvat	310–311
-Shaka Samvat	175–176
-Kali Yuga	3354–3355
Holocene calendar	10254
Iranian calendar	368 BP – 367 BP
Islamic calendar	379 BH – 378 BH
Javanese calendar	133–134
Julian calendar	254 CCLIV
Korean calendar	2587
Minguo calendar	1658 beforeROC Dân trước 1658 năm
Nanakshahi calendar	−1214
Seleucid era	565/566AG
Thai solar calendar	796–797
Tibetan calendar	Âm thủy gà năm (female Water-Rooster) 380 or −1 or −773 — to — Dương mộc cẩu năm (male Wood-Dog) 381 or 0 or −772

Year254(CCLIV) was acommon year starting on Sunday(link will display the full calendar) of theJulian calendar.At the time, it was known as theYear of the Consulship of Valerianus and Gallienus(or, less frequently,year 1007Ab urbe condita). The denomination 254 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

• Publius Licinius Valerianus AugustusandPublius Licinius Egnatius GallienusbecomeRoman Consuls.
• TheRoman Empireis threatened by several peoples on their borders: the Germanic confederations, such as theFrankson the MiddleRhine,theAlemannion the upper Rhine and Danube, and theMarcomannifacing the provinces atNoricumandRaetia.On land the confederation ofGothsthreaten the lower Danube provinces, and on the sea they threaten the shores of Thracia, Bithynia et Pontus, and Cappadocia. In the eastern provinces, theSassanid Persianshad the previous year defeated a Roman field army at Barballisos, and afterwards plundered the defenseless provinces. This period of time is called today theCrisis of the Third Century.

By topic

Religion

• May 12–Pope Stephen IsucceedsPope Lucius I.

Deaths

• March 5–Lucius I,bishop ofRome
• Li Feng(or Anguo), Chinese official and politician
• Tiberius Julius Pharsanzes,Roman client king
• Xiahou Xuan(or Taichu), Chinese general and politician (b.209)
• Zhang Ni(or Boqi), Chinese general, official and politician