865
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 830s 840s 850s – 860s – 870s 880s 890s |
| Years: | 862 863 864 – 865 – 866 867 868 |
| 865 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 865 DCCCLXV |
| Ab urbe condita | 1618 |
| Armenian calendar | 314 ԹՎ ՅԺԴ |
| Assyrian calendar | 5615 |
| Bengali calendar | 272 |
| Berber calendar | 1815 |
| Buddhist calendar | 1409 |
| Burmese calendar | 227 |
| Byzantine calendar | 6373–6374 |
| Chinese calendar | 甲申年 (Wood Monkey) 3561 or 3501 — to — 乙酉年 (Wood Rooster) 3562 or 3502 |
| Coptic calendar | 581–582 |
| Discordian calendar | 2031 |
| Ethiopian calendar | 857–858 |
| Hebrew calendar | 4625–4626 |
| Hindu calendars | |
| - Vikram Samvat | 921–922 |
| - Shaka Samvat | 787–788 |
| - Kali Yuga | 3966–3967 |
| Holocene calendar | 10865 |
| Iranian calendar | 243–244 |
| Islamic calendar | 250–251 |
| Japanese calendar | Jōgan 7 (貞観７年) |
| Julian calendar | 865 DCCCLXV |
| Korean calendar | 3198 |
| Minguo calendar | 1047 before ROC 民前1047年 |
| Seleucid era | 1176/1177 AG |
| Thai solar calendar | 1407–1408 |
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Year 865 (DCCCLXV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
Events
By place
Europe
- Ethelred succeeds as king of Wessex (or 866).
- Louis the German divides his kingdom among his sons.
- Lothair, threatened with excommunication, takes back his first wife, Theutberga.
- Bulgaria under Boris I converts to Orthodox Christianity.
Asia
- A Russian expedition for the first time threatens Constantinople.
Births
- Hersent, Duchess of Lorraine, France
- Abū Bakr Muhammad ibn Zakarīya al-Rāzi, physician, philosopher, and scholar who discovererd alcohol
Deaths
- February 3 – Saint Ansgar, Frankish missionary, "the Apostle of the North" (b. 801)
- Ragnar Lodbrok, King of Denmark and Sweden
- Liu Gongquan