Depiction of Host Desecration in Sternberg, Germany (1492). Diebold Schilling the Younger [Public domain], via Wikimedia CommonsThe Fourth Lateran Council, which met in 1215 at the behest of Pope Innocent III, issued several pieces of Church legislation with dire implications for Jews. The doctrine of transubstantiation was confirmed, leading to a new element in antisemitic canards: accusations that Jews “desecrated the host.”