855

855 in variouscalendars
Gregorian calendar	855; DCCCLV
Ab urbe condita	1608
Armenian calendar	304; ԹՎ ՅԴ
Assyrian calendar	5605
Balinese saka calendar	776–777
Bengali calendar	262
Berber calendar	1805
Buddhist calendar	1399
Burmese calendar	217
Byzantine calendar	6363–6364
Chinese calendar	Giáp tuấtNiên (WoodDog); 3552 or 3345; — to —; Ất hợi niên (WoodPig); 3553 or 3346
Coptic calendar	571–572
Discordian calendar	2021
Ethiopian calendar	847–848
Hebrew calendar	4615–4616
Hindu calendars
-Vikram Samvat	911–912
-Shaka Samvat	776–777
-Kali Yuga	3955–3956
Holocene calendar	10855
Iranian calendar	233–234
Islamic calendar	240–241
Japanese calendar	Saikō2; (斉 hành ２ niên )
Javanese calendar	752–753
Julian calendar	855; DCCCLV
Korean calendar	3188
Minguo calendar	1057 beforeROC; Dân tiền 1057 niên
Nanakshahi calendar	−613
Seleucid era	1166/1167AG
Thai solar calendar	1397–1398
Tibetan calendar	Dương mộc cẩu niên; (male Wood-Dog); 981 or 600 or −172; — to —; Âm mộc trư niên; (female Wood-Pig); 982 or 601 or −171

Millennium:	1st millennium
Centuries:	8th century; 9th century; 10th century;
Decades:	830s; 840s; 850s; 860s; 870s;
Years:	852; 853; 854; 855; 856; 857; 858;

Year855(DCCCLV) was acommon year starting on Tuesday(link will display the full calendar) of theJulian calendar.

Events

November 20–Theoktistos,co-regent of the Empire on behalf of 15-year old EmperorMichael III,is murdered on the orders of Michael.

September 29– EmperorLothair Idies after a 15-year reign (co-ruling with his fatherLouis the Piousuntil840). He divides theMiddle Frankish Kingdombetween his three sons in an agreement called theTreaty of Prüm—the eldest,Louis II,receives the northern half ofItalyand the title ofHoly Roman Emperor.The second,Lothair II,receivesLotharingia(theLow CountriesandUpper Burgundy). The youngest,Charles,receivesLower BurgundyandProvence.

Spring – KingÆthelwulf of Wessexdecides to go on apilgrimagetoRome,accompanied by his youngest sonAlfred(age 6) and a largeretinue.^[1]He divides the kingdom between his two eldest sons;Æthelbaldreceives the western part ofWessex,whileÆthelberhtbecomes ruler overKent,Surrey,SussexandEssex.^[2]

Caliphal-Mutawakkilsends anAbbasidarmy, led by theTurkicgeneralBugha al-Kabir,to suppress an uprising of rebelliousArmeniannakharars.He subdues the country, and deports manyArmenian noblesto the caliphal capital ofSamarra.^[3]

July 17–Pope Leo IVdies after an 8-year reign, and is succeeded byBenedict IIIas the 104thpopeof Rome.Anastasiusis madeanti-popeby Lothair I.
Æthelwulf grants churches in Wessex the right to receivetithes.He gives one-tenth of his lands to theChurch.^[4]
TheSlavic alphabetis created bySaints Cyril and Methodius.

^Abels 1998,p. 72.
^Paul Hill (2009).The Viking Wars of Alfred the Great,p. 17.ISBN 978-1-59416-087-5
^Ter-Ghewondyan 1976,pp. 83–86.
^Stevenson 1904,p. 186.

Abels, Richard (1998).Alfred the Great: War, Kingship and Culture in Anglo-Saxon England.Harlow, UK: Longman.ISBN 0-582-04047-7.
Stevenson, William Henry (1904).Asser's Life of King Alfred.Oxford, UK: Clarendon Press.OCLC 1354216.
Ter-Ghewondyan, Aram(1976) [1965].The Arab Emirates in Bagratid Armenia.Translated byNina G. Garsoïan.Lisbon:Livraria Bertrand.OCLC 490638192.

Gregorian calendar	855 DCCCLV
Ab urbe condita	1608
Armenian calendar	304 ԹՎ ՅԴ
Assyrian calendar	5605
Balinese saka calendar	776–777
Bengali calendar	262
Berber calendar	1805
Buddhist calendar	1399
Burmese calendar	217
Byzantine calendar	6363–6364
Chinese calendar	Giáp tuấtNiên (WoodDog) 3552 or 3345 — to — Ất hợi niên (WoodPig) 3553 or 3346
Coptic calendar	571–572
Discordian calendar	2021
Ethiopian calendar	847–848
Hebrew calendar	4615–4616
Hindu calendars
-Vikram Samvat	911–912
-Shaka Samvat	776–777
-Kali Yuga	3955–3956
Holocene calendar	10855
Iranian calendar	233–234
Islamic calendar	240–241
Japanese calendar	Saikō2 (斉 hành ２ niên )
Javanese calendar	752–753
Julian calendar	855 DCCCLV
Korean calendar	3188
Minguo calendar	1057 beforeROC Dân tiền 1057 niên
Nanakshahi calendar	−613
Seleucid era	1166/1167AG
Thai solar calendar	1397–1398
Tibetan calendar	Dương mộc cẩu niên (male Wood-Dog) 981 or 600 or −172 — to — Âm mộc trư niên (female Wood-Pig) 982 or 601 or −171