Black Death
The Black Death (also known as the Pestilence , the Great Mortality , or the Plague )a was the deadliest pandemic recorded in human history. The Black Death resulted in the deaths of up to 75–200 million people in Eurasia and North Africa, peaking in Europe from 1347 to 1351. Plague, the disease, was caused by the bacterium Yersinia pestis . The Y. pestis infection most commonly results in bubonic plague, but can also cause septicaemic or pneumonic plagues. The Black Death was the beginning of the second plague pandemic. The plague created religious, social, and economic upheavals, with profound effects on the course of European history. The Black Death most likely originated in Central Asia or East Asia, from where it travelled along the Silk Road, reaching Crimea by 1347. From there, it was most likely carried by fleas living on the black rats that travelled on Genoese merchant ships, spreading throughout the Mediterranean Basin and reaching Africa, Western Asia, and the rest o...