869

869 in various calendars
Gregorian calendar	869; DCCCLXIX
Ab urbe condita	1622
Armenian calendar	318; ԹՎ ՅԺԸ
Assyrian calendar	5619
Balinese saka calendar	790–791
Bengali calendar	276
Berber calendar	1819
Buddhist calendar	1413
Burmese calendar	231
Byzantine calendar	6377–6378
Chinese calendar	戊子年 (Earth Rat); 3566 or 3359; — to —; 己丑年 (Earth Ox); 3567 or 3360
Coptic calendar	585–586
Discordian calendar	2035
Ethiopian calendar	861–862
Hebrew calendar	4629–4630
Hindu calendars
- Vikram Samvat	925–926
- Shaka Samvat	790–791
- Kali Yuga	3969–3970
Holocene calendar	10869
Iranian calendar	247–248
Islamic calendar	255–256
Japanese calendar	Jōgan 11; (貞観１１年)
Javanese calendar	766–767
Julian calendar	869; DCCCLXIX
Korean calendar	3202
Minguo calendar	1043 before ROC; 民前1043年
Nanakshahi calendar	−599
Seleucid era	1180/1181 AG
Thai solar calendar	1411–1412
Tibetan calendar	阳土鼠年; (male Earth-Rat); 995 or 614 or −158; — to —; 阴土牛年; (female Earth-Ox); 996 or 615 or −157

Millennium:	1st millennium
Centuries:	8th century; 9th century ; 10th century;
Decades:	840s; 850s; 860s ; 870s; 880s;
Years:	866; 867; 868; 869 ; 870; 871; 872;

Year 869 (DCCCLXIX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.

Events

Summer – Emperor Basil I allies with the Frankish emperor Louis II against the Saracens. He sends a Byzantine fleet of 400 ships (according to the Annales Bertiniani), under the command of Admiral Niketas Ooryphas, to support Louis (who is besieging the city port of Bari) and to clear the Adriatic Sea of Muslim raiders.^[1]
The Hagia Sophia Basilica (church) in Constantinople suffers great damage during an earthquake, which makes the eastern half-dome collapse. Basil I orders it to be repaired.

August 8 – Lothair II, King of Middle Francia (Lotharingia), dies at Piacenza, on his way home from meeting Pope Adrian II at Rome, to get assent for a divorce. Lotharingia is subsequently divided between Lothair's uncles, Charles the Bald of France and Louis the German.

The Danes, led by Viking chieftain Ivar the Boneless, 'make peace' with the Mercians (by accepting Danegeld). Ivar leaves Nottingham on horseback, and returns to York.^[2]
Autumn –The Great Heathen Army, led by Ivar the Boneless and Ubba, invades the Kingdom of East Anglia and plunders Peterborough. The Vikings take up winter quarters at Thetford.
November 20 – Vikings conquer East Anglia, killing King Edmund the Martyr.^[3]

The Zanj Rebellion: The Zanj (black slaves from East Africa), provoked by mercilessly harsh labor conditions in salt flats, and on the sugar and cotton plantations of southwestern Persia, revolt.
Summer – Caliph Al-Mu'tazz is murdered by mutinous Muslim troops, after a 3-year reign. He is succeeded by Al-Muhtadi (a grandson of the late Al-Mu'tasim), as ruler of the Abbasid Caliphate.

July 9 – The 869 Sanriku earthquake and associated tsunami devastate a large part of the Sanriku coast on the northeastern side of the island of Honshu.
The first Gion Festival is held in order to combat an epidemic thought to be caused by an angry deity.^[4]

The last monument ever erected at Tikal, Stela 11, is dedicated by ruler (ajaw) Jasaw Chan Kʼawiil II.^[5]

October 5 – The Fourth Council of Constantinople, called by Basil I and Pope Adrian II, opens. The council will condemn Photius I and depose him as patriarch, reinstating his predecessor Ignatios.^[6]

^ Kreutz, Barbara M. (1991). Before the Normans: Southern Italy in the ninth and tenth centuries. Philadelphia: University of Pennsylvania Press. p. 43. ISBN 0812231015.
^ Hill, Paul (2009). The Viking Wars of Alfred the Great. Westholme. pp. 32–6. ISBN 978-1-59416-087-5.
^ Gransden, Antonia (2004). "Edmund [St Edmund] (d. 869)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/8500. ISBN 978-0-19-861412-8. (subscription or UK public library membership required)
^ Jones, Keith (2015). Holiday Symbols and Customs. Detroit: Omnigraphics Incorporated. p. 345.
^ Martin, Simon; Grube, Nikolai (2000). Chronicle of the Maya Kings and Queens: Deciphering the Dynasties of the Ancient Maya. London; New York: Thames & Hudson. ISBN 0-500-05103-8. OCLC 47358325.
^ Rahner, Karl (2004). Encyclopedia of Theology. A&C Black. p. 389. ISBN 0-86012-006-6.

Gregorian calendar	869 DCCCLXIX
Ab urbe condita	1622
Armenian calendar	318 ԹՎ ՅԺԸ
Assyrian calendar	5619
Balinese saka calendar	790–791
Bengali calendar	276
Berber calendar	1819
Buddhist calendar	1413
Burmese calendar	231
Byzantine calendar	6377–6378
Chinese calendar	戊子年 (Earth Rat) 3566 or 3359 — to — 己丑年 (Earth Ox) 3567 or 3360
Coptic calendar	585–586
Discordian calendar	2035
Ethiopian calendar	861–862
Hebrew calendar	4629–4630
Hindu calendars
- Vikram Samvat	925–926
- Shaka Samvat	790–791
- Kali Yuga	3969–3970
Holocene calendar	10869
Iranian calendar	247–248
Islamic calendar	255–256
Japanese calendar	Jōgan 11 (貞観１１年)
Javanese calendar	766–767
Julian calendar	869 DCCCLXIX
Korean calendar	3202
Minguo calendar	1043 before ROC 民前1043年
Nanakshahi calendar	−599
Seleucid era	1180/1181 AG
Thai solar calendar	1411–1412
Tibetan calendar	阳土鼠年 (male Earth-Rat) 995 or 614 or −158 — to — 阴土牛年 (female Earth-Ox) 996 or 615 or −157