The 870s was a Decade that began on 1 January 870 and ended on 31 December 879. It is distinct from the decade known as the 88th decade which began on January 1, 871. and ended on December 31, 880.

Millennium: 1st millennium
Centuries: 8th century9th century10th century
Decades: 840s 850s 860s870s880s 890s 900s
Years: 870 871 872 873 874 875 876 877 878 879
Categories: BirthsDeathsArchitecture

Events change

  • The Danes invade England (870) and conquer East Anglia. Several battles are fought with Wessex, but then peace is made (871). The Danes start the Danelaw in other parts of England. In 876, the Danes attack Wessex again, and in 878 king Alfred the Great of Wessex has to retreat to a single fort in the marshes of Somerset, but later that year he defeats the Danes, and England is divided in a Danish part in the northeast and a Wessex part in the south and west.
  • In the southwest of England, the Cornish continue to be driven back, with their King Dungarth (or Doniert or Dumgarth) drowning in battle around the middle of the decade.
  • 872Battle of Hafrsfjord. Harald Fairhair unites Norway.

Important people change