How many Europeans died from plague?

The differences between a medieval craftsman and a renaissance artist can be summarized as? When did humans start using time? How would you describe a roman bath? In the Middle Ages most scientists believed that the world was made from four simple elements and that almost everything was a mixture Which type of pure substance had they not yet discovered? Why is the Decameron important to historians? What was the power that massively penetrated the west in the tenth century AD was? When was the table clock invented? What is the Roman nationality? How did Europeans finally learn this Chinese secret? Figurative expression my right to extend my arm ends at your nose means what? What clothing did people wear in the 1400s? What were medieval guilds? Which side of the Roman Empire did the Byzantine Empire emerge? Give 3 reasons why the crusaders could not keep control of their conquest? What is the definition of the word ordeal? How do you dilate from the origin? What changes happened in most eastern europe countries at the end of the cold war? When were watches invented? How did the invention of farming lead the development of civilizations? What time was human culture developed?