865

This article is about the year 865. For the 2021 song, see 865 (song).

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Calendar year

Millennium:	1st millennium
Centuries:	8th century 9th century 10th century
Decades:	840s 850s 860s 870s 880s
Years:	862 863 864 865 866 867 868
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865 by topic
Leaders
Political entities State leaders Religious leaders
Categories
Births Deaths Establishments
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865 in various calendars

Gregorian calendar 865
DCCCLXV

Ab urbe condita 1618

Armenian calendar 314
ԹՎ ՅԺԴ

Assyrian calendar 5615

Balinese saka calendar 786–787

Bengali calendar 271–272

Berber calendar 1815

Buddhist calendar 1409

Burmese calendar 227

Byzantine calendar 6373–6374

Chinese calendar 甲申年 (Wood Monkey)
3562 or 3355
— to —
乙酉年 (Wood Rooster)
3563 or 3356

Coptic calendar 581–582

Discordian calendar 2031

Ethiopian calendar 857–858

Hebrew calendar 4625–4626

Hindu calendars

- Vikram Samvat 921–922

- Shaka Samvat 786–787

- Kali Yuga 3965–3966

Holocene calendar 10865

Iranian calendar 243–244

Islamic calendar 250–251

Japanese calendar Jōgan 7
(貞観7年)

Javanese calendar 762–763

Julian calendar 865
DCCCLXV

Korean calendar 3198

Minguo calendar 1047 before ROC
民前1047年

Nanakshahi calendar −603

Seleucid era 1176/1177 AG

Thai solar calendar 1407–1408

Tibetan calendar 阳木猴年
(male Wood-Monkey)
991 or 610 or −162
— to —
阴木鸡年
(female Wood-Rooster)
992 or 611 or −161

A map of the Viking invasion in East Anglia with the routes of the Great Heathen Army.

Year 865 (DCCCLXV ) was a common year starting on Monday of the Julian calendar.

Events

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By place

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Europe

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King Louis the German divides the East Frankish Kingdom among his three sons. Carloman receives Bavaria (with more lands along the Inn River). He gives Saxony to Louis the Younger (with Franconia, and Thuringia) and Swabia (with Raetia) to Charles the Fat. Louis arranges marriages into the local aristocracy, for his sons to hold important territories along the frontiers.
King Lothair II, threatened with excommunication, takes back his first wife, Teutberga. She expresses her desire for an annulment, but this is refused by Pope Nicholas I.
Boris I, ruler (knyaz ) of the Bulgarian Empire, suppresses a revolt, and orders the execution of 52 leading boyars, along with their whole families.

Britain

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The Great Heathen Army (probably no more than 1,000 men) of Vikings, led by Ivar the Boneless and Halfdan Ragnarsson, invades East Anglia. King Edmund of East Anglia buys peace with a supply of horses.
Viking king Ragnar Lodbrok is captured by the Northumbrians in battle, and killed by being thrown into a pit filled with venomous snakes, on the orders of King Ælla of Northumbria.
Autumn – King Æthelberht of Wessex dies after a 5-year reign, and is buried at Sherborne Abbey (Dorset). He is succeeded by his brother Æthelred I, as ruler of Wessex.

Abbasid Caliphate

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Caliphal Civil War: An armed conflict starts between the rival Muslim caliphs al-Musta'in and al-Mu'tazz. They fight to determine who takes control over the Abbasid Caliphate (until 866).