Year 866 (DCCCLXVI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.
Millennium: | 1st millennium |
---|---|
Centuries: | |
Decades: | |
Years: |
Gregorian calendar | 866 DCCCLXVI |
Ab urbe condita | 1619 |
Armenian calendar | 315 ԹՎ ՅԺԵ |
Assyrian calendar | 5616 |
Balinese saka calendar | 787–788 |
Bengali calendar | 273 |
Berber calendar | 1816 |
Buddhist calendar | 1410 |
Burmese calendar | 228 |
Byzantine calendar | 6374–6375 |
Chinese calendar | 乙酉年 (Wood Rooster) 3563 or 3356 — to — 丙戌年 (Fire Dog) 3564 or 3357 |
Coptic calendar | 582–583 |
Discordian calendar | 2032 |
Ethiopian calendar | 858–859 |
Hebrew calendar | 4626–4627 |
Hindu calendars | |
- Vikram Samvat | 922–923 |
- Shaka Samvat | 787–788 |
- Kali Yuga | 3966–3967 |
Holocene calendar | 10866 |
Iranian calendar | 244–245 |
Islamic calendar | 251–252 |
Japanese calendar | Jōgan 8 (貞観8年) |
Javanese calendar | 763–764 |
Julian calendar | 866 DCCCLXVI |
Korean calendar | 3199 |
Minguo calendar | 1046 before ROC 民前1046年 |
Nanakshahi calendar | −602 |
Seleucid era | 1177/1178 AG |
Thai solar calendar | 1408–1409 |
Tibetan calendar | 阴木鸡年 (female Wood-Rooster) 992 or 611 or −161 — to — 阳火狗年 (male Fire-Dog) 993 or 612 or −160 |
Events
By place
Byzantine Empire
- April 21 – Bardas, the regent of the Byzantine Empire, is murdered by Basil the Macedonian at Miletus, while conducting a large-scale expedition against the Saracen stronghold of Crete.
- May 26 – Basil the Macedonian is crowned co-emperor of the Byzantine Empire, and is adopted by the much younger Michael III.
Europe
- May 27 – King Ordoño I, ruler of the Kingdom of Asturias, dies after a 16-year reign. He is succeeded by his son, Alfonso III, who later is referred to as "Alfonso the Great".
- July 2 – Battle of Brissarthe: Frankish forces, led by Robert the Strong, are defeated by a joint Breton-Viking army.
- Louis II, Holy Roman Emperor, defeats the Saracen invaders who are ravaging southern Italy.
Britain
- The Great Heathen Army of the Vikings rides north to Northumbria. The Northumbrians are preoccupied with a civil war, and the Danes enter York unopposed.[1]
Abbasid Caliphate
- October 17 – Caliph al-Musta'in is put to death, after a 4-year reign. He is succeeded by al-Mu'tazz, who becomes the youngest Abbasid caliph to assume power.[2]
- The Kharijite revolt against the Abbasid Caliphate begins in Al-Jazira (Upper Mesopotamia), which will last for 30 years.
Japan
- Fujiwara no Yoshifusa becomes regent (sesshō) to assist the child emperor Seiwa, starting the Fujiwara regency.
By topic
Religion
- Boris I, ruler (knyaz) of the Bulgarian Empire, sends a diplomatic mission, led by the Bulgarian nobleman Peter, to Rome, in an effort to renew ties with the West.
- Pope Nicholas I orders that all Catholics should abstain from eating the "flesh, blood, or marrow"[3] of warm-blooded animals on Wednesdays and Fridays.[4]
- Pope Nicholas I forbids the use of torture in prosecutions for witchcraft (approximate date).
Births
- June 10 – Uda, emperor of Japan (d. 931)
- September 19 – Leo VI, Byzantine emperor (d. 912)
- Carloman II, king of the West Frankish Kingdom (approximate date)
- Robert I, king of the West Frankish Kingdom (d. 923)
- Yao Yi, chancellor of Later Tang (d. 940)
Deaths
- April 21 – Bardas, Byzantine chief minister and regent
- May 27 – Ordoño I, king of Asturias
- June 21 – Rodulf, Frankish archbishop
- July 2 – Robert the Strong, Frankish nobleman
- July 16 – Irmgard, Frankish abbess
- October 17 – Al-Musta'in, Abbasid caliph
- Adelaide of Tours, Frankish noblewoman
- Al-Mu'ayyad, Abbasid prince
- Charles the Child, king of Aquitaine
- Eberhard, duke of Friuli
- Emenon, Frankish nobleman
- Hungerus Frisus, bishop of Utrecht
- Linji Yixuan, Chinese monk and founder of the Linji school
- Liudolf, duke of Saxony
- Ranulf I, Frankish nobleman (b. 820)
- Robert, Frankish nobleman (b. 834)
- Rudolph, Frankish nobleman
- Wang Shaoyi, general of the Tang Dynasty
- Yahya ibn Yahya, Idrisid emir of Morocco[5]
References
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