|Centuries:||8th century – 9th century – 10th century|
|Decades:||840s 850s 860s – 870s – 880s 890s 900s|
|Years:||872 873 874 – 875 – 876 877 878|
- December 29 – Charles the Bald, king of West Francia, is crowned emperor.
- The Danes capture Lindisfarne and arrive in Cambridge.
- Harald Fairhair subdues the rovers on Orkney and Shetland and adds them to his kingdom.
- In Champa, in the central region of what is now Vietnam, King Indravarman II founds a new dynasty at Indrapura (Quang Nam). He starts a building program featuring the Dong Duong Style of Cham art.
- Muslim ibn al-Hajjaj Nishapuri Islamic writer