The Vikings were a group of people who lived in Scandinavia during the 8th to the 11th centuries. They were known for their seafaring skills and their raids on other countries, including England. Here is a timeline of important events in Viking history:

793 AD: The Vikings raid the monastery at Lindisfarne, in what is now England. This is considered the beginning of the Viking Age.

850 AD: The Vikings establish a settlement at Dublin, in what is now Ireland. This is one of the earliest Viking settlements in Ireland.

865 AD: The Great Heathen Army, led by the Viking kings Ivar the Boneless, Halfdan Ragnarsson, and Guthrum, invades England. The army conquers most of the country, including Northumbria, East Anglia, and Mercia.

878 AD: The Battle of Edington takes place in England. The Viking leader Guthrum is defeated by the Anglo-Saxon king Alfred the Great.

911 AD: The Viking leader Rollo is granted land in Normandy, in what is now France. This marks the beginning of the Norman dynasty.

985 AD: The Viking explorer Erik the Red discovers Greenland and establishes a settlement there.

1000 AD: The Viking explorer Leif Erikson establishes a settlement at Vinland, in what is now Newfoundland, Canada. This is considered the first European settlement in North America.

1066 AD: The Viking king Harald Hardrada invades England, but is defeated by the Anglo-Saxon king Harold Godwinson at the Battle of Stamford Bridge. Shortly after, Harold Godwinson is defeated by the Norman duke William the Conqueror at the Battle of Hastings.

Overall, the Vikings were a significant force in European history, with their raids and settlements shaping the political and cultural landscape of many countries. The timeline above highlights some of the key events in Viking history, including their conquest of England, establishment of settlements in Ireland and Normandy, and exploration of new lands in North America.