Which English Kings were killed by Vikings?

In 866, Ivar the Boneless and his Great Heathen Army captured York, the capital of the Kingdom of Northumbria. Ælle and Osbert were in the mist of a civil war. The two rulers agreed to peace and to…

Ecbert, Vikings Wiki

The St Brice's Day Massacre

Battle of Flodden: When kings were killed in battle - BBC News

What a Way to Go – Top 10 Deaths of English Kings

Alfred the Great - World History Encyclopedia

Aethelwulf of Wessex - World History Encyclopedia

The Four Viking Kings of England - The Viking Dragon Blog

Harald Hardrada, The Last Great Viking King Of Norway

How did the monarchs of England/Great Britain die?

Viking activity in the British Isles - Wikipedia