861
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 830s 840s 850s – 860s – 870s 880s 890s |
| Years: | 858 859 860 – 861 – 862 863 864 |
| 861 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 861 DCCCLXI |
| Ab urbe condita | 1614 |
| Armenian calendar | 310 ԹՎ ՅԺ |
| Assyrian calendar | 5611 |
| Bengali calendar | 268 |
| Berber calendar | 1811 |
| Buddhist calendar | 1405 |
| Burmese calendar | 223 |
| Byzantine calendar | 6369–6370 |
| Chinese calendar | 庚辰年 (Metal Dragon) 3557 or 3497 — to — 辛巳年 (Metal Snake) 3558 or 3498 |
| Coptic calendar | 577–578 |
| Discordian calendar | 2027 |
| Ethiopian calendar | 853–854 |
| Hebrew calendar | 4621–4622 |
| Hindu calendars | |
| - Vikram Samvat | 917–918 |
| - Shaka Samvat | 783–784 |
| - Kali Yuga | 3962–3963 |
| Holocene calendar | 10861 |
| Iranian calendar | 239–240 |
| Islamic calendar | 246–247 |
| Japanese calendar | Jōgan 3 (貞観３年) |
| Julian calendar | 861 DCCCLXI |
| Korean calendar | 3194 |
| Minguo calendar | 1051 before ROC 民前1051年 |
| Seleucid era | 1172/1173 AG |
| Thai solar calendar | 1403–1404 |
 |
Wikimedia Commons has media related to 861. |
Year 861 (DCCCLXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.
Events
By place
Asia
December: Assassination of the Abbasid Caliph al-Mutawakkil. Start of the period of troubles known as "Anarchy at Samarra".
Europe
- Carloman revolts against his father Louis the German.
- Michael III and Bardas invade Bulgaria.
- May 28 – Paris burnt by Vikings.
- Pisa taken by Vikings,
Births
- Abdullah ibn al-Mu'tazz, Arabic poet (d. 908)
Deaths
- December 11 – Al-Mutawakkil, Abbasid Caliph (b. 822)
- Ahmad ibn Muhammad ibn Kathīr al-Farghānī, Persian astronomer