AD 888

888 in various calendars
Gregorian calendar	888; DCCCLXXXVIII
Ab urbe condita	1641
Armenian calendar	337; ԹՎ ՅԼԷ
Assyrian calendar	5638
Balinese saka calendar	809–810
Bengali calendar	295
Berber calendar	1838
Buddhist calendar	1432
Burmese calendar	250
Byzantine calendar	6396–6397
Chinese calendar	丁未年 (Fire Goat); 3585 or 3378; — to —; 戊申年 (Earth Monkey); 3586 or 3379
Coptic calendar	604–605
Discordian calendar	2054
Ethiopian calendar	880–881
Hebrew calendar	4648–4649
Hindu calendars
- Vikram Samvat	944–945
- Shaka Samvat	809–810
- Kali Yuga	3988–3989
Holocene calendar	10888
Iranian calendar	266–267
Islamic calendar	274–275
Japanese calendar	Ninna 4; (仁和４年)
Javanese calendar	786–787
Julian calendar	888; DCCCLXXXVIII
Korean calendar	3221
Minguo calendar	1024 before ROC; 民前1024年
Nanakshahi calendar	−580
Seleucid era	1199/1200 AG
Thai solar calendar	1430–1431
Tibetan calendar	阴火羊年; (female Fire-Goat); 1014 or 633 or −139; — to —; 阳土猴年; (male Earth-Monkey); 1015 or 634 or −138

Millennium:	1st millennium
Centuries:	8th century; 9th century ; 10th century;
Decades:	860s; 870s; 880s ; 890s; 900s;
Years:	885; 886; 887; 888 ; 889; 890; 891;

Year 888 (DCCCLXXXVIII) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

January 13 – Emperor Charles III (the Fat) dies at Neidingen, after having suffer repeat illnesses that may have been epilepsy. The Frankish Empire is split again, and falls apart into separate kingdoms. Count Odo, the hero of the Siege of Paris, is elected king of the West Frankish Kingdom and crowned at Compiègne by Walter, archbishop of Sens.^[1] Other Frankish nobleman support the 8-year-old Charles the Simple (the posthumous son of the late king Louis the Stammerer).
October – Alan I (the Great), count of Vannes and his rival Judicael unite their forces to defeat the Vikings at Questembert (or 889). Judicael is killed, in an notable victory for the Bretons with 15,000 Vikings crushed, some few 400 escaping to their ships. In command of a 'united' Breton force Alan is able to drive the Vikings back to the Loire River. Alan becomes sole ruler of Brittany and over the Frankish counties of Rennes, Nantes, Coutances and Avranches.
Winter – King Arnulf of Carinthia leads a East Frankish expedition into Italy, after he has recognition of overlordship over France and Burgundy. Arnulf descends with an army over the Brenner Pass and meets king Berengar I at a peace conference at Trent. Berengar grants him two counties in the Val d'Adige (Northern Italy) and does homage to Arnulf as overlord. In turn, Arnulf confirms Berengar as king of Lombardia and returns to Germany.

Lord Æthelred II of the Mercians is struck down with a debilitating illness. His wife, princess Æthelflæd (a daughter of Alfred the Great) of Wessex joins him as joint ruler of Mercia (approximate date).

Al-Mundhir, Moorish emir of Córdoba, dies after a 2-year reign. He is possibly murdered by his brother Abdullah ibn Muhammad al-Umawi who succeeds him as ruler of the Emirate of Córdoba.

April 20 – Emperor Xi Zong (Li Xuan) dies of illness at Chang'an after a 14-year reign. He is succeeded by his 21-year-old brother Zhao Zong as ruler of the Tang Dynasty.

Shaftesbury Abbey is founded by king Alfred the Great in Dorset. He installs his daughter Æthelgifu as first abbess (approximate date).

^ Gwatking, H. M., Whitney, J. P., et al. Cambridge Medieval History: Volume III–Germany and the Western Empire. Cambridge University Press: London (1930).