Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	820s  830s  840s  – 850s –  860s  870s  880s
Years:	852 853 854 – 855 – 856 857 858

855 by topic v • d • e

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishment and disestablishment categories

Establishments – Disestablishments

855 in other calendars

Gregorian calendar	855 DCCCLV
Ab urbe condita	1608
Armenian calendar	304 ԹՎ ՅԴ
Bahá'í calendar	-989 – -988
Bengali calendar	262
Berber calendar	1805
Buddhist calendar	1399
Burmese calendar	217
Byzantine calendar	6363 – 6364
Chinese calendar	甲戌年十二月初九日 (3491/3551-12-9) — to — 乙亥年十一月十九日 (3492/3552-11-19)
Coptic calendar	571 – 572
Ethiopian calendar	847 – 848
Hebrew calendar	4615 – 4616
Hindu calendars
- Vikram Samvat	910 – 911
- Shaka Samvat	777 – 778
- Kali Yuga	3956 – 3957
Holocene calendar	10855
Iranian calendar	233 – 234
Islamic calendar	240 – 241
Japanese calendar
Korean calendar	3188
Thai solar calendar	1398
v • d • e

Events

By place

Europe

• Louis II succeeds Lothar as Western Emperor. Two other sons, Lothar II and Charles, also get parts of the kingdom.
• The Slavic alphabet is created by Saints Cyril and Methodius.
• Æthelwulf, king of Wessex and Bretwalda, abdicates in favor of his son Æthelbald.
• Edmund becomes king of East Anglia.

By topic

Religion

• September 29—Pope Benedict III succeeds Pope Leo IV as the 104th pope.
• Anastasius is made anti-pope by Lothair.
• Æthelwulf of Wessex grants churches in the kingdom of Wessex the right to receive tithes.

Births

Deaths

• March 2—Lothar, western emperor (b. 795)
• July 31—Ahmad ibn Hanbal, Muslim scholar (b. 780)
• December 8—Drogo of Metz
• Pope Leo IV