Operas set against the background of the medieval Crusades can be found in the earliest examples of the art form and continue to be written into the 21st century. Many of the works listed here contain characters and plots based on real or legendary figures of the time such as Tancred, Prince of Galilee, Godfrey of Bouillon or Jaufre Rudel. The majority are set, at least in part, in the Holy Land and the surrounding region and deal with the conflicts between the Christians and Muslims. Others, such as Donizetti's Gabriella di Vergy, deal with the misadventures of knights returning from the Crusades. In the case of Gabriella di Vergy, Raoul de Coucy returns from the Third Crusade to find that his beloved Gabriella has married Lord Fayel. Following a duel, Fayel cuts out the heart of the unfo