The Black Death was an epidemic episode that took place across almost all the northern hemisphere during the fourteenth century. As far as history tells us, it was the most perilous moment in the history of mankind because never before or afterwards, any kind of danger put the survival of our species at peril like this particularly virulent case of bubonic plague did. Al in all, conservative estimates speak of the extermination of about 50% of the population in these areas, which means a mass extinction of humankind in all force.
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