321
This article is about the year 321. For the number, see 321 (number). For the game show, see 3-2-1.
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 3rd century – 4th century – 5th century |
| Decades: | 290s 300s 310s – 320s – 330s 340s 350s |
| Years: | 318 319 320 – 321 – 322 323 324 |
| 321 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 321 CCCXXI |
| Ab urbe condita | 1074 |
| Assyrian calendar | 5071 |
| Bengali calendar | −272 |
| Berber calendar | 1271 |
| Buddhist calendar | 865 |
| Burmese calendar | −317 |
| Byzantine calendar | 5829–5830 |
| Chinese calendar | 庚辰年 (Metal Dragon) 3017 or 2957 — to — 辛巳年 (Metal Snake) 3018 or 2958 |
| Coptic calendar | 37–38 |
| Discordian calendar | 1487 |
| Ethiopian calendar | 313–314 |
| Hebrew calendar | 4081–4082 |
| Hindu calendars | |
| - Vikram Samvat | 377–378 |
| - Shaka Samvat | 243–244 |
| - Kali Yuga | 3422–3423 |
| Holocene calendar | 10321 |
| Iranian calendar | 301 BP – 300 BP |
| Islamic calendar | 310 BH – 309 BH |
| Julian calendar | 321 CCCXXI |
| Korean calendar | 2654 |
| Minguo calendar | 1591 before ROC 民前1591年 |
| Seleucid era | 632/633 AG |
| Thai solar calendar | 863–864 |
Year 321 (CCCXXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Crispus and Constantinus (or, less frequently, year 1074 Ab urbe condita). The denomination 321 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 topic
Roman Empire
- Emperor Constantine I expels the Goths from the Danube frontier and repairs Trajan's Bridge. He leads an expedition into the old province Dacia (modern Romania) and makes peace with the barbarians.
Asia
- Tuoba Heru launched a coup d'état against his cousin Tuoba Yulü and becomes the new Prince of Dai.
By topic
Arts and sciences
Food and drink
- Constantine I assigns convicts to grind Rome's flour in a move to hold back the rising price of food in an empire whose population has shrunk as a result of plague (see 309 AD).
Religion
- The Roman Catholic Church is allowed to hold property.
- A synod in Alexandria condemns Arianism.
Births
- Du Lingyang, empress of the Jin dynasty (d. 341)
- Jin Chengdi, emperor of the Jin dynasty (d. 342)
- Valentinian I, Roman emperor (d. 375)
Deaths
- Tuoba Yulü, prince of the Tuoba Dai
References
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