340
(Redirected from AD 340)
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| Millennium: | 1st millennium |
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| Centuries: | |
| Decades: | |
| Years: |
| 340 by topic |
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| Leaders |
| Categories |
| Gregorian calendar | 340 CCCXL |
| Ab urbe condita | 1093 |
| Assyrian calendar | 5090 |
| Balinese saka calendar | 261–262 |
| Bengali calendar | −253 |
| Berber calendar | 1290 |
| Buddhist calendar | 884 |
| Burmese calendar | −298 |
| Byzantine calendar | 5848–5849 |
| Chinese calendar | 己亥年 (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 | 261–262 |
| - Kali Yuga | 3440–3441 |
| Holocene calendar | 10340 |
| Iranian calendar | 282 BP – 281 BP |
| Islamic calendar | 291 BH – 290 BH |
| Javanese calendar | 221–222 |
| Julian calendar | 340 CCCXL |
| Korean calendar | 2673 |
| Minguo calendar | 1572 before ROC 民前1572年 |
| Nanakshahi calendar | −1128 |
| Seleucid era | 651/652 AG |
| Thai solar calendar | 882–883 |
| Tibetan calendar | 阴土猪年 (female Earth-Pig) 466 or 85 or −687 — to — 阳金鼠年 (male Iron-Rat) 467 or 86 or −686 |
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
By place
Roman Empire
- 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 western part of the Roman Empire (Britain, Gaul, the Rhine provinces and Iberia), crosses the Alps and attacks the army of his brother Constans I, emperor of the central part of the Roman Empire (Upper Danube, Italy and middle Africa). 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
Religion
- Pope Julius I inveighs against Arianism at the Council of Rome.
- Acacius succeeds Eusebius as bishop in the see of Caesarea.
- Wulfila evangelizes among the Goths for 7 years.
Births
- Aurelius Ambrose, bishop of Milan (approximate date)
- Amphilochius, bishop of Iconium (approximate date)
- Jerome, priest and Bible translator (approximate date)
- Justina, Roman empress and regent (approximate date)
- Peter of Sebaste, bishop of Armenia (approximate date)
- Quintus Aurelius Symmachus, Roman consul (d. 402)
Deaths
- October 28 – Cunera (or Kunera), Christian martyr
- Constantine II, Roman consul and emperor (b. 316)
- Kui An, Indian general and minister of Later Zhao
- Macrina the Elder, Christian saint (approximate date)
- Tao Bao (or Anbu), Chinese general of Later Zhao
- Yu Liang (or Yuangui), Chinese general (b. 279)