Eric Christiansen

Eric Christiansen was a medieval historian and fellow emeritus of New [College, Oxford|New College], Oxford University.
Christiansen was born in Cheshunt, Hertfordshire and was educated at Charterhouse School after which he served in the ranks of the Northamptonshire Regiment. He became a fellow of New College after completing a thesis on modern Spanish history but subsequently specialised in medieval history.

Selected publications

The origins of military power in Spain, 1800-1854. Oxford [University Press], Oxford, 1967.
The Northern Crusades, the Baltic and the Catholic Frontier, 1100-1525. Macmillan, 1980.
The Works of Sven Aggesen: Twelfth-century Danish Historian. Viking Society for Northern Research, 1992.
Dudo of St Quentin: History of the Normans. Translation with introduction and notes. Boydell Press, 1998.
The Norsemen in the Viking Age. Wiley Blackwell, 2002.