Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	830s  840s  850s  – 860s –  870s  880s  890s
Years:	863 864 865 – 866 – 867 868 869

866 by topic v • d • e

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishment and disestablishment categories

Establishments – Disestablishments

866 in other calendars

Gregorian calendar	866 DCCCLXVI
Ab urbe condita	1619
Armenian calendar	315 ԹՎ ՅԺԵ
Bahá'í calendar	-978 – -977
Bengali calendar	273
Berber calendar	1816
Buddhist calendar	1410
Burmese calendar	228
Byzantine calendar	6374 – 6375
Chinese calendar	乙酉年十二月十一日 (3502/3562-12-11) — to — 丙戌年十一月廿一日 (3503/3563-11-21)
Coptic calendar	582 – 583
Ethiopian calendar	858 – 859
Hebrew calendar	4626 – 4627
Hindu calendars
- Vikram Samvat	921 – 922
- Shaka Samvat	788 – 789
- Kali Yuga	3967 – 3968
Holocene calendar	10866
Iranian calendar	244 – 245
Islamic calendar	251 – 252
Japanese calendar
Korean calendar	3199
Thai solar calendar	1409
v • d • e

[edit] Events

[edit] By place

[edit] Asia

• Fujiwara no Yoshifusa becomes regent of Japan, starting the Fujiwara regentship.

[edit] Europe

• Alfonso III succeeds as king of Asturias.
• Louis II beats the Saracen invaders in Italy.
• Ivar the Boneless crosses over to England and beats and captures king Aella of Northumbria, thus revenging his father Ragnar Lodbrok.
• Ethelred succeeds as king of Wessex (or 865).
• A "great Viking army" captures York.
• Harold Fairhair (850–933) wins a decisive battle in his quest to become king of all of Norway.

[edit] By topic

[edit] Religion

• Pope Nicholas I forbids the use of torture in prosecutions for witchcraft.

[edit] Births

• September 19—Leo, Byzantine Emperor (d. 912)

[edit] Deaths

• April—Bardas, co-emperor of the Byzantine Empire (murdered)
• May 27—King Ordono I of Asturias
• al-Kindi, Muslim philosopher
• Linji, Chinese monk of the Tang Dynasty who founded the Rinzai school of Buddhism