 In 1383 a quarrel broke out between one of the knights of the Prignitz, Heinrich von Bülow, known as "Big Head", and the Bishop of Havelberg, Dietrich Man.Von Bülow raided Wilsnack, one of the bishopric's villages, and burned it to the ground.Entering the ruins of his church, the parish priest found that in the "Sacrarium" on the altar were three consecrated hosts.