Black Death
The Black Death was the second disaster affecting Europe during the Late Middle Ages (the first one being the Great Famine) and is estimated to have killed 30% to 60% of Europe's population. In total, the plague may have reduced the world population from an estimated 475 million to 350–375 million in the 14th century. There were further outbreaks throughout the Late Middle Ages, and in Western Europe the resulting shortages of labour enabled peasants to increase their wages. Outbreaks of the plague recurred at various locations around the world until the early 20th century.
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