This colloquium will explore peace and war in medieval culture, history, literature, philosophy, theology, and the arts. How did medieval men and women make peace and make war? What were the relationships between individual and social conflicts? How do the processes of peace and war shape, and how are they shaped by, institutions and artistic productions? Papers and panels might include such topics as the culture of the crusades, the politics of peace-making, military history, psychomachia and other forms of allegorical warfare, peace and penitence, gender and conflict, the use of spolia, just war theory, ethnic violence, the culture of knighthood, and the economics of war.