For 10 points, name this catastrophic disease that wiped out one- to two-thirds of Europe's population in the mid-1300s.
One possible origin of this event was the Kipchak siege of Caffa. This event precipitated the murder of Jews who were accused of poisoning wells in Mainz, Cologne, and Strasbourg. The travelling Flagellants were a religious reaction to this event that widened after Mediterranean merchant ships were boarded by flea-infested rats. For 10 points, name this catastrophic disease that wiped out one- to two-thirds of Europe's population in the mid-1300s.
One possible origin of this event was the Kipchak siege of Caffa.
{Black Death} [or Black {Plague} or {Great Plague} or {Great Pestilence}; prompt on “{plague},” “{bubonic plague},” or “{Yersinia pestis}”]