Late in the eleventh century the First Crusade culminated in the conquest of Jerusalem by Christian armies. Five centuries later, when Torquato Tasso began to search for a subject worthy of an epic, Jerusalem was governed by a sultan, Europe was in the crisis of religious division, and the Crusades were a nostalgic memory. Tasso turned to the First Crusade both as a subject that would test his poetic ambition and as a reflection on the quandaries...