340

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This article is about the year 340. For the number, see 340 (number).
Millennium: 1st millennium
Centuries: 3rd century4th century5th century
Decades: 310s  320s  330s  – 340s –  350s  360s  370s
Years: 337 338 339340341 342 343
340 by topic
Politics
State leadersSovereign states
Birth and death categories
BirthsDeaths
Establishment and disestablishment categories
EstablishmentsDisestablishments
340 in other calendars
Gregorian calendar 340
CCCXL
Ab urbe condita 1093
Assyrian calendar 5090
Bengali calendar −253
Berber calendar 1290
Buddhist calendar 884
Burmese calendar −298
Byzantine calendar 5848–5849
Chinese calendar 己亥(Earth Pig)
3036 or 2976
    — to —
庚子年 (Metal Rat)
3037 or 2977
Coptic calendar 56–57
Discordian calendar 1506
Ethiopian calendar 332–333
Hebrew calendar 4100–4101
Hindu calendars
 - Vikram Samvat 396–397
 - Shaka Samvat 262–263
 - Kali Yuga 3441–3442
Holocene calendar 10340
Iranian calendar 282 BP – 281 BP
Islamic calendar 291 BH – 290 BH
Julian calendar 340
CCCXL
Korean calendar 2673
Minguo calendar 1572 before ROC
民前1572年
Seleucid era 651/652 AG
Thai solar calendar 882–883


Year 340 (CCCXL) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Acindynus and Valerius (or, less frequently, year 1093 Ab urbe condita). The denomination 340 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events[edit]

By place[edit]

Roman Empire[edit]

  • Constantinople, capital of Emperor Constantius II, becomes the largest city in the world, taking the lead from Rome, capital of his brother Constans I.[1]
  • The Roman emperor of the central part of the Roman empire Constantine II, ruling over the upper Danube, Italy and middle Africa, crosses the Alps and against the army of his brother Constans I, emperor of the western part of the Roman Empire: Britain, Gaul, the Rhine provinces and Iberia. They clash at Aquileia in northern Italy. Constantine is killed in an skirmish by an ambush of Constans troops.
  • Constans is left sole ruler of the Western Roman Empire, with his other brother, Constantius II, Emperor of the Eastern Roman Empire.

By topic[edit]

Religion[edit]


Births[edit]

Deaths[edit]

References[edit]