Medical Investigations 1 By BreChaput Period: 500 to Jan 21, 2015 History of Medicine Period: 500 to Dec 31, 1500 Middle Ages Jan 23, 1400 Trying to practice medicine Frenchwoman Jacoba Felicie tries to practice medicine bit is denied. Period: Jan 1, 1500 to Dec 31, 1700 The Renaissance Period: Jan 1, 1800 to Dec 31, 1900 The Industrial Revolution Period: Jan 1, 2000 to Jan 23, 2015 Modern Times Mar 2, 2022 Rhazes discovers Smallpox In the year 900, Rhazes discovered the disease smallpox.