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The Fall of the Western Roman Empire was the process of decline in the Western Roman Empire in which the Empire failed to enforce its rule, and its vast territory was divided into several successor polities.Link text
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The Black Death was one of the most devastating pandemics in human history, resulting in the deaths of an estimated 75 to 200 million people in Eurasia, peaking in Europe from 1348 to 1350. The bacterium Yersinia pestis, which results in several forms of plague (septicemic, pneumonic and, the most common, bubonic) is believed to have been the cause.The Black Death was the first major European outbreak of plague and the second plague pandemic.
