Campus Directory: David Hay

University of Lethbridge

David Hay
History and Religion Department
Office: C870 (University Hall)
Phone: (403) 329-2421
Fax: (403) 329-5108


B.A. (Hons.) (History); M.A., Ph.D. (Medieval Studies)


History of warfare, violence and of women and gender in the Middle Ages, Military career of Countess Matilda of Canossa (1046-1115), Contemporary reactions to a woman's leadership in war, Medieval military theory and theology, The Crusades, Canon Law, Social violence and masculinity, The Investiture Contest, Medieval history, Military history

Research Areas

Women and war, Queenship, War, Military theory

Alternate Languages

English; Latin; Italian (reading); French (reading); German (reading)


--David obtained his B.A. (Hons.) in history from Queen's University (Ontario) in 1993 and his M.A. and Ph.D. in Medieval Studies from the Centre for Medieval Studies at the University of Toronto in 1994 and 2000, respectively. He joined the University of Lethbridge in 2000.

History 1000 - Western Civilization
History 2100 - Medieval Society
History 3103 - The Crusades
History 3850 - Selected Topics:
--Medieval Britain
--The Renaissance of the Twelfth Century
History 4100 - Seminars in Medieval European History:
--Violence in Medieval Society

Research Interests

David's main interests focus on the history of warfare, violence and of women and gender in the Middle Ages, particularly the military career of Countess Matilda of Canossa (1046-1115) and contemporary reactions to a woman's leadership in war. Other areas of interest include medieval military theory and theology, the Crusades, Canon Law, social violence and masculinity.

Selected Publications:

--'Silensis and Aferesis in the Vita Mathildis: How Donizo's Marginalia Explain the Battle of Tricontai (1091/2)', Storicamente 13 (2017), art. no. 18, pp. 1-32:

--The Military Leadership of Matilda of Canossa, 1046-1115 (Manchester University Press, 2008)

--"Chivalry and Crusade: Collateral Damage in Western Thought and Practice during the High Middle Ages", in Noble Ideals and Bloody Realities: Warfare in the Middle Ages, 378 - 1492, eds. Niall Christie and Maya Yazigi (Brill, 2006), 3-26.

--"Canon Laws regarding Female Military Commanders up to the Time of Gratian: Some Texts and their Historical Contexts", in 'A Great Effusion of Blood?': Interpreting Medieval Violence, eds. Mark Meyerson et al. (University of Toronto Press, 2004), 287-313.

--"Gender Bias and Religious Intolerance in Accounts of the 'Massacres' of the First Crusade", in Tolerance and Intolerance: Social Conflict in the Age of Crusades, eds. M. Gervers and J. Powell (Syracuse University Press, 2001), 3-10 and 135-9.

Edit this Content