Well Poisoning Accusations in Medieval Europe: 1250-1500
In late medieval Europe, suspicions arose that minority groups wished to destroy the Christian majority by poisoning water sources. These suspicions caused the persecution of different minorities by rulers, nobles and officials in various parts of the cont...
Proably not a coincidence that this happened not long after the holy crusades.
Wonder how many jews and muslims were killed during this time. We will proably never know, but we do know that alot of treasure and religious artifacts were stolen/hidden/melted down as well as temples being smashed/burned. They really wanted to erase the past for some reason.