Ivar emerges as a leading Norse ruler in Dublin before later campaigns in Britain.
Historical person
Ivar the Boneless Biography
Historical biography and chronological timeline for Ivar the Boneless, based on 35 World History Database records associated with Denmark.
Chronological biography
856
865
Lands in England as a leader of the "Great Army"
Ivar brought the Great Heathen Army into East Anglia and secured horses and provisions from the local population.
Ivar the Boneless helps lead the Great Heathen Army after it lands in East Anglia and begins the conquest campaign.
The Great Heathen Army winters in East Anglia and receives tribute while preparing further campaigns in England.
Lands in England as a leader of the "Great Army"
Danish raiders under leaders including Ivar the Boneless and Halfdan arrive in East Anglia and establish a winter base.
Ivar's army winters in East Anglia after receiving horses and tribute from King Edmund.
866
Ivar leads Danish forces north while Northumbria is weakened by rivalry between Aella and Osberht.
The Danes move north into Northumbria, exploiting conflict between Osberht and Aella.
Ivar helped seize York, creating the principal Scandinavian political centre in northern England.
The Danes capture York and make it a major Viking stronghold in Northumbria.
Ivar helps capture York while Northumbria is weakened by rivalry between Aella and Osberht.
867
Helps capture York as a leader of the "Great Army". Establishes a Danish Viking Kingdom in York
Ivar defeated the rival Northumbrian kings and established Scandinavian control around York.
Helps capture York as a leader of the "Great Army"
The Vikings invade Mercia but are driven back
Ivar and the Great Heathen Army move south into Mercia and seize Nottingham as a winter base.
Northumbria becomes a Viking client state, Egbert is installed as a puppet ruler
Ivar's forces defeat the Northumbrian counterattack at York and destroy the armies of Aella and Osberht.
Aella of Northumbria is killed after the Viking victory at York, ending organised Northumbrian resistance.
Osberht of Northumbria is killed during the failed Northumbrian attempt to retake York from the Danes.
868
Ivar's army occupies Nottingham and forces Mercia and Wessex into negotiations rather than decisive battle.
Mercia and Wessex fail to retake Nottingham, and a truce allows the Danes to withdraw back toward York.
869
The Vikings invade East Anglia
Ivar participated in the campaign that destroyed the independent East Anglian monarchy.
Ivar the Boneless returns and demands tribute from King Edmund of East Anglia
The Great Heathen Army returns to East Anglia and winters at Thetford before attacking King Edmund.
The Vikings invade East Anglia & murder King Edmund
Ivar and the Danish army return to East Anglia after consolidating their position in Northumbria and Mercia.
870
Ivar is associated with the Danish conquest of East Anglia and the defeat of King Edmund.
872
Death of Ivar the Boneless, of natural causes
873
Mercia comes under attack & Ivar sets up an HQ in Repton, the heart of Mercia
Mercia comes under attack & Ivar sets up an HQ in Repton, the heart of Mercia
Succeeds as King of Mercia
Titles and roles
King · Viking Commander
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.