340s

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Millennium: 1st millennium
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The 340s decade ran from January 1, 340, to December 31, 349.

Events[edit]

340

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]
  • Constantine II, Emperor of the central part of the Roman empire (the upper Danube, Italy and middle Africa), crosses the Alps and attacks 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 a 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]

341[edit]

By place[edit]

Roman Empire[edit]
  • Emperor Constans I bans pagan sacrifices and magic rituals under penalty of death.
  • Constans I begins a successful campaign against the Franks.
India[edit]

By topic[edit]

Religion[edit]

342[edit]

By place[edit]

Roman Empire[edit]
= Europe =
  • A large earthquake strikes Cyprus.
Asia[edit]

By topic[edit]

Religion[edit]

343[edit]

By place[edit]

Roman Empire[edit]

By topic[edit]

Religion[edit]
  • Pope Julius I tries to unite the Western bishops against Arianism by convoking the Council of Serdika (later Sofia), which acknowledges the pope's supreme authority and grants him the right to judge cases involving the legal possession of episcopal sees, but only Western and Egyptian bishops attend, and Arianism remains strong.

344[edit]

By place[edit]

Roman Empire[edit]
China[edit]

By topic[edit]

Art[edit]
  • The making of a detail of Admonitions of the Imperial Instructress to Court Ladies (attributed to Gu Kaizhi and being from the Six Dynasties period) begins (approximate year) and is completed in 406. It is now kept at the British Museum, London.
Religion[edit]

345[edit]

By place[edit]

India[edit]
Italy[edit]

346[edit]

By place[edit]

Asia[edit]

By topic[edit]

Religion[edit]

347[edit]

By topic[edit]

Religion[edit]

348[edit]

By place[edit]

Europe[edit]
Asia[edit]

349[edit]

By place[edit]

Bangalore[edit]

Significant people[edit]

Births[edit]

Deaths[edit]

References[edit]