When the bubonic plague swept through the Continent, killing about a quarter of the population in just a few years, the Jews were an easy target for blame, since they were already hated by many.
लेकिन, ग्यारहवीं सदी में ईसाइयों के धर्मयुद्ध शुरू होने के साथ - साथ, यूरोप में यहूदी लोग नफरत के शिकार बने ।