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The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s. The plague arrived in Europe in October 1347. The plague is most often taught that it was spread from rats, however the lack of any sanitation systems made it easy to spread even without the presence of rats. Bubonic plague is caused by the bacterium Yersinia pestis, but it may also cause septicemic or pneumonic plagues. This plague caused significant economic collapse in Europe and obviously a massive death toll.
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