320
year
320 (CCCXX) was a leap year starting on Friday of the Julian calendar, the 320th year of the Common Era (CE) and Anno Domini (AD) designations, the 320th year of the 1st millennium, the 20th year of the 4th century, and the 1st year of the 320s decade. As of the start of 320, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 3rd century – 4th century – 5th century |
| Decades: | 290s 300s 310s – 320s – 330s 340s 350s |
| Years: | 317 318 319 – 320 – 321 322 323 |
| Gregorian calendar | 320 CCCXX |
| Ab urbe condita | 1073 |
| Assyrian calendar | 5070 |
| Balinese saka calendar | 241–242 |
| Bengali calendar | −273 |
| Berber calendar | 1270 |
| Buddhist calendar | 864 |
| Burmese calendar | −318 |
| Byzantine calendar | 5828–5829 |
| Chinese calendar | 己卯年 (Earth Rabbit) 3016 or 2956 — to — 庚辰年 (Metal Dragon) 3017 or 2957 |
| Coptic calendar | 36–37 |
| Discordian calendar | 1486 |
| Ethiopian calendar | 312–313 |
| Hebrew calendar | 4080–4081 |
| Hindu calendars | |
| - Vikram Samvat | 376–377 |
| - Shaka Samvat | 241–242 |
| - Kali Yuga | 3420–3421 |
| Holocene calendar | 10320 |
| Iranian calendar | 302 BP – 301 BP |
| Islamic calendar | 311 BH – 310 BH |
| Javanese calendar | 201–202 |
| Julian calendar | 320 CCCXX |
| Korean calendar | 2653 |
| Minguo calendar | 1592 before ROC 民前1592年 |
| Nanakshahi calendar | −1148 |
| Seleucid era | 631/632 AG |
| Thai solar calendar | 862–863 |
| Tibetan calendar | 阴土兔年 (female Earth-Rabbit) 446 or 65 or −707 — to — 阳金龙年 (male Iron-Dragon) 447 or 66 or −706 |
Events
changeBy place
changeRoman Empire
change- Crispus wins against the Franks.
- Licinius stopped the religious freedom promised by the Edict of Milan. He persecutes Christians in the Eastern Roman Empire.
Asia
change- King Chandragupta I founds the Gupta dynasty in northern India.
- The Huns appear in Persia.
By topic
changeArt
change- Old St. Peter's Basilica, Rome, is started to be built (approximate date).
Culture and Religion
change- In Nydam Mose (Denmark) the Nydam oak boat is sacrificed by the Danes. The boat is excavated in the 1830s, when a local farmer finds weapons including swords and spears.
- December 25 is introduced as the birthday of Jesus.
Science
change- October 18 – Pappus of Alexandria, Greek philosopher, sees an eclipse of the sun. He writes on The Great Astronomer (Almagest).
Births
change- Aurelius Victor, historian and politician (approximate date)
- Constans I, Roman emperor (d. 350)
- Flavian I, Patriarch of Antioch (d. 404)
- Jin Jianwendi, emperor of the Jin Dynasty (d. 372)
- Oribasius, Greek physician (approximate date)
- Tuoba Shiyijian, prince of the Tuoba Dai (d. 376)
- Xie An, statesman of the Jin Dynasty (d. 385)
Deaths
change- Lactantius, Christian writer (approximate date)
- Sima Bao, prince of the Jin Dynasty (b. 294)