The black death, also known as the bubonic plague, destroyed a higher proportion of population than any other event. The plague spread through the agency of fleas on dying rats, the bacteria in the disease stifled the vital organs of those who were infected. The symptoms caused swelling in the groin, armpits and necks, it bought black patches to the body, and caused people to cough out blood. It first arrived in eastern Europe in 1347, then in England in 1348. It spread north and west after striking the eastern Mediterranean, Italy, Spain, and France. Once it arrived in Britain, it struck Dorset and Hampshire along with the south coast of England. Spreading North and east, it spread to Russia and Scandinavia.
In Europe, in three or four years 50 million people died. The population was reduced from 80 million to 30 million. It killed sixty percent of the population in rural and urban areas. Some communities like Quob in Hampshire, wiped out completely. As time passed, some rural communities got deserted. Remedies of the black plague were: cooked onions, crushed emeralds, 
arsenic, sitting in a room between two massive fires, and fumigating your house with herbs. Sometimes, when the owners and residents of a house were infected, the doctors would burn the house to ash. It is most likely there were survivors of the plague, but during the medieval days, people thought that everyone would one by one be put down by the black death.