This article is about the year 21. For the number, see 21 (number). For other uses, see 21 (disambiguation).
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century BC – 1st century – 2nd century |
| Decades: | 0s BC 0s 10s – 20s – 30s 40s 50s |
| Years: | 18 19 20 – 21 – 22 23 24 |
| 21 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 21 XXI |
| Ab urbe condita | 774 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1823 – -1822 |
| Berber calendar | 971 |
| Buddhist calendar | 565 |
| Burmese calendar | -617 |
| Byzantine calendar | 5529 – 5530 |
| Chinese calendar | 庚辰年十二月廿九日 (2657/2717-12-29) — to —
辛巳年十二月初九日(2658/2718-12-9) |
| Coptic calendar | -263 – -262 |
| Ethiopian calendar | 13 – 14 |
| Hebrew calendar | 3781 – 3782 |
| Hindu calendars | |
| - Vikram Samvat | 76 – 77 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3122 – 3123 |
| Holocene calendar | 10021 |
| Iranian calendar | 601 BP – 600 BP |
| Islamic calendar | 619 BH – 618 BH |
| Japanese calendar | |
| Korean calendar | 2354 |
| Thai solar calendar | 564 |
Year 21 (XXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.
Events
By place
Roman Empire
- Revolt of the Aedui under Julius Florus and Julius Sacrovir, suppressed by Gaius Silius.
- Tiberius is a Roman Consul for the fourth time.
- Beginning of the revolt in Africa led by Tacfarinas.
- The Romans create a buffer state in the territory of the Quadi in southern Slovakia.
- A barracks is constructed for the Praetorian Guard on the Quirinal.
Asia
- King Daeso of Dongbuyeo is killed in battle against the armies of Goguryeo, led by its third ruler, King Daemusin.
By topic
Arts and sciences
- The manufacture of pens and metal writing tools begins in Rome.
Births
Deaths
- Publius Sulpicius Quirinius, Roman governor of Syria
- Marcus Valerius Messalla Barbatus, Roman Consul (or 20)
- Arminius, Germanic leader who killed three Roman legions at the Battle of the Teutoburg Forest
- Empress Wang
Notes and references
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