866
| Years |
|---|
| Millennium |
| 1st millennium |
| Centuries |
| Decades |
| Years |
| 866 by topic |
|---|
| Leaders |
|
| Categories |
|
| Gregorian calendar | 866 DCCCLXVI |
| Ab urbe condita | 1619 |
| Armenian calendar | 315 ԹՎ ՅԺԵ |
| Assyrian calendar | 5616 |
| Balinese saka calendar | 787–788 |
| Bengali calendar | 272–273 |
| 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 | ཤིང་མོ་བྱ་ལོ་ (female Wood-Bird) 992 or 611 or −161 — to — མེ་ཕོ་ཁྱི་ལོ་ (male Fire-Dog) 993 or 612 or −160 |
Year 866 (DCCCLXVI) was a common year starting on Tuesday of the Julian calendar.
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]
Italy
- An army in Lucera is assembled by orders of Louis II in preparation for an attack on the Emirate of Bari.[2]
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.[3]
- 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"[4] of warm-blooded animals on Wednesdays and Fridays.[5]
- 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[6]
References
- ^ John Haywood (1995). Historical Atlas of the Vikings, p. 62. Penguin Books: ISBN 978-0-140-51328-8
- ^ Purton, Peter (March 18, 2010). A History of the Early Medieval Siege, c.450–1220. Boydell and Brewer Limited. doi:10.1017/9781846158032. ISBN 978-1-84615-803-2.
- ^ History of the Arabs by Philip K. Hitti.
- ^ Dick, Preston (February 24, 2023). "Beyond the Trivia - Fish Fridays". KRCG. Retrieved March 1, 2023.
- ^ "How Did the Roman Catholic Tradition of Eating Fish on Fridays Begin?". March 15, 2019. Retrieved March 1, 2023.
- ^ Eustache, D. (1971). "Idrīsids". In Lewis, B.; Ménage, V. L.; Pellat, Ch. & Schacht, J. (eds.). The Encyclopaedia of Islam, Second Edition. Volume III: H–Iram. Leiden: E. J. Brill. pp. 1035–1037. doi:10.1163/1573-3912_islam_SIM_3495. OCLC 495469525.