The Black Death a deadly plague disease that swept through Europe between 1347 and 1351; also know as the bubonic plague. It arrived at Europe trade ships and killed over 20 million people of Europe 20%-50% of the population was dead. In the 14th century the plague spread rapidly across Europe and decimated. (Killed a large amount of the population) The Black Death is a epidemic. (A desiseas that spread really fast and can afforestation many people at one time). The disease spreads through air and through bits of infected flies and rats. Some of the symptoms are fever, chills, vomiting, diarrhea aches and pains, and death.