THE BLACK DEATH
THE MOST KILLING AND DEADLY DISEASE
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 and peaking in Europe in the years 1348–50 . There were several competing theories as to the etiology of the Black Death, analysis of DNA from victims in northern and southern Europe published in 2010 and 2011 indicates that the thing responsible was the bacteria probably causing several forms of plague.the black death is to have originated in the arid plains of central asia where it then traveled along the road reaching the crimea by 1346 from there it was mostly like carried by infected rats with fleas .the rats that were regular passenger on merchant ships spreading throughout the medtirarrian sea the black death is estimated to have killed 30-60 of europes total population .the plague reduced the word poulation. from and estimate of 370 milion in the 14th century.
got my info from wikipedia.