880

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	850s 860s 870s – 880s – 890s 900s 910s
Years:	877 878 879 – 880 – 881 882 883

Events[change | change source]

Oldest known mention of the city of Dortmund
Pope John VIII issued the Bill "Industriae Tuae", creating an independent ecclesiastical province in Great Moravia with Archbishop Saint Methodius as its head. The Old Church Slavonic was recognized as the fourth liturgical language, besides Latin, Greek and Hebrew.
Bishopric established in Nitro.

Fujiwara no Tadahira, Japanese regent
Louis the Blind, King of Provence (r. 887 – 900), King of Italy (r. 900 – 901), and Holy Roman Emperor (r. 901 – 905)