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…

Vikings': King Ecbert Admits to Ragnar Lothbrok That He Had the Viking Settlement in Wessex Destroyed

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

How was King Alfred able to beat the Vikings? - Quora

The Four Viking Kings of England - The Viking Dragon Blog

Alfred the Great - Historic UK

Harald Harada, Varangian, King of Norway & Last Great Viking

Vikings: Valhalla': Was the St. Brice's Day Massacre a Real Event? Here's What Happened

Who was Sweyn Forkbeard, the first Viking King of England?

Checkmate – Which of History's Kings Died in Battle?

Æthelwulf, King of Wessex - Wikipedia

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

Aethelwulf of Wessex - World History Encyclopedia