The list of Crusades in Europe and to the Holy Land identifies those conflicts in the 11th through 16th centuries that are referred to as Crusades. These include the traditional numbered crusades and others that prominent historians have identified as crusades. The scope of the term crusade first referred to military expeditions undertaken by European Christians in the 11th, 12th, and 13th centuries to the Holy Land. The conflicts to which the term is applied has been extended to include other campaigns initiated, supported and sometimes directed by the Roman Catholic Church against pagans, heretics or for alleged religious ends.