Before revision: Origin The plague which swept across China, Middle East, and Europe in the 14th century is estimated to have killed between one-third and two-thirds of Europe's population.Stéphane Barry and Norbert Gualde, "The Greatest Epidemic of History" ("La plus grande épidémie de l'histoire", in L'Histoire n° 310, June 2006, pp.45-46, say "between one-third and two-thirds"; Robert Gottfried (1983).
After revision: __TOC__Origin The plague which swept across China, Middle East, and Europe in the 14th century is estimated to have killed between one-third and two-thirds of Europe's population.Stéphane Barry and Norbert Gualde, "The Greatest Epidemic of History" ("La plus grande épidémie de l'histoire", in L'Histoire n° 310, June 2006, pp.45-46, say "between one-third and two-thirds"; Robert Gottfried (1983).