BLACK DEATH.

black death is the worst plague that ever happened to humans especially in Europe that killed tens of millions of people between 1347-1351
Pestilence and pneumonia "that once ravaged the world and caused many deaths in call black death,
According to news of this disease began when people "invaded a party by throwing an infected body in the middle of the genoese trading center in crimea.
The epidemic reached the genoa in 1347 spreading west and north reaching london and paris in 1348 outbreaks were carried by rat fleas that can also live in humans and become pnyakit pneumonia "which is transmitted through coughing and sneezing
When the plague occurs in the field filled with manyat ", the village becomes silent.