Medical investigations 1 By maddison123 Period: 500 to Sep 3, 2015 The History of Medicine Period: 500 to Dec 31, 1500 Middle ages Jan 1, 1000 Medical care becomes regulated Sep 8, 1010 Avicenna writes The Book of Healing and The Canon of Medicine Sep 8, 1249 Roger Bacon invents spectacles Jan 1, 1346 Black Death (all of Europe) Period: Jan 1, 1500 to Jan 1, 1700 Renaissance Sep 8, 1590 Microscope is Invented Sep 8, 1600 Scientific Method begins being used Sep 8, 1610 Human Anatomical studies allowed Sep 8, 1619 Girolamo Fabrizio identified the valves of the heart. Sep 8, 1670 Anton van Leeuwenhoek refines the microscope and fashions nearly 500 models Period: Sep 8, 1700 to Sep 8, 1900 Industrial Revolution Sep 8, 1830 4 major outbreaks of tyhoid disease Sep 8, 1843 Robert Koch Discovers Pathogens Sep 8, 1854 John Snow stops outbreak of Cholera Sep 8, 1900 Wilhelm Roentgen discovered x-raysfirst Sep 8, 1900 Bubonic Plague hits San Francisco Period: Sep 8, 1900 to Sep 8, 2015 Modern World Sep 8, 1930 First HMO insurance Sep 8, 1952 Salk discovers polio vaccine Sep 8, 1981 AZT is used to combat AIDS Sep 8, 1998 Health care growth Sep 8, 2001 Maggots were used for treatment Mar 2, 2022 Rhazes Identifies Small Pox