The Holy Blood of Wilsnack was authenticated by Bishop Dietrich Man of Havelberg, and the resultant pilgrimages to see the miraculous hosts went on for some centuries until Martin Luther said they should call it off as a false miracle.
The Holy Blood of Wilsnack was authenticated when Bishop Dietrich Man of Havelberg went to consecrate the hosts as a precaution, and the central one overflowed with blood, according to later accounts. The resultant pilgrimages to see the miraculous hosts went on for some centuries until Martin Luther said they should call it off as a false miracle.